The New Sudoku Players' Forum

by **sb1920alk** » Thu Apr 10, 2008 3:15 am

I haven't checked all of the examples here, but I haven't seen any that show the SF candidate in all nine intersections. I've seen many examples with it in 8 or 6 intersections, but none with 9. Do they exist, or have I just not come across one?

by **Pat** » Thu Apr 10, 2008 8:13 am

sb1920alk wrote:I haven't checked all of the examples here, but I haven't seen any that show the SF candidate in all nine intersections.

I've seen many examples with it in 8 or 6 intersections, but none with 9.

Do they exist, or have I just not come across one?

can't say if the present Topic contains any 333 Swordfish --
but there is a separate Topic on 333/4444 Fish

by **sb1920alk** » Thu Apr 10, 2008 1:23 pm

Thanks Pat. That's what I was looking for.

by **tarek** » Thu Oct 02, 2008 7:25 am

Looking through the Patterns Games 14-51, the following pass Pat's Extra Lenient Criteria:
010000020003000400000501000006040500070000080004050900000609000005000600080000010 Patterns_Game-0014-040-TTHsieh
001000200000103000300020004010506020007000600080904010600050008000308000005000700 Patterns_Game-0017-068-gsf
000000000009105700053902410061000590000030000094000370016203940005801200000000000 Patterns_Game-0021-042-m_b_metcalf
000100000002003004050060020700400500001006002080090040000600000004008001060050080 Patterns_Game-0022-015-TTHsieh
000000000001203400050406010017000360000000000089000750030705080004302900000000000 Patterns_Game-0026-084-gsf
000000000004308200012507380027000150000000000063000920085103460001402500000000000 Patterns_Game-0030_004-m_b_metcalf
100002345500040000600700000300807100060000080001206003000008004000020001258100006 Patterns_Game-0033-060-JPF
000000000001203400020105060037000820000080000048000790090506030003409100000000000 Patterns_Game-0036-043-Mauricio
070200090500060001000007000300020900090701030002050008000800000600030004010004050 Patterns_Game-0039-037-tarek
080500010200040009000009000700050600050603080008020001000700000400030006020001090 Patterns_Game-0039-046-gsf
600001009020070060007400000009000002040080030500000800000009100060040080300100007 Patterns_Game-0040-040-gsf
906030205000000000300701008001000600200050004008000900800902007000000000403080109 Patterns_Game-0042-037-Pat
001200000030004500600000070200600010000000000040005003050000004002100060000008300 Patterns_Game-0045-046-JPF
001002003040000020500060100000704008003000500700506000008070001090000040600900800 Patterns_Game-0047-063-JPF
001002003040000050300050100000403001003000200600705000008070009060000040700200600 Patterns_Game-0047-095-m_b_metcalf
100002030004500100060070002050000060008040009900000200010007800700800003009060040 Patterns_Game-0051-046-m_b_metcalf

The following have been also selected from the Patterns Games 14-51 & are not entirely pure (with a possible cross-over with the above list). They have either a swordfish first move or an x-wing in the 1st first placement
100200300040010050006005004600700400010020080009001006500100900090070040001008002 Patterns_Game_0016_009-TTHsieh 3.8/3.8/3.8
001000200000304000300050006070803090008000400090205080200030001000701000006000800 Patterns_Game_0017_116-TTHsieh 3.8/3.2/2.6
100200300000060050004007001200000100030050020008000009800900700060030000005006008 Patterns_Game_0020_026-gsf 3.8/3.8/3.8
000100000002003004050060020700400500001006002080090040000600000004008001060050080 Patterns_Game_0022_015-TTHsieh 3.8/3.8/3.8 (repeat)
000000000004308200012507380027000150000000000063000920085103460001402500000000000 Patterns_Game_0030_004-m_b_metcalf 3.8/3.8/3.8 (repeat)
000000000001203400020104050065000170000030000089000240070605080004309600000000000 Patterns_Game_0036_093-gsf 3.8/3.2/2.6
010000002304000000050070800000400001008050060000007400002003600000040050600100009 Patterns_Game_0037_121-gsf 3.8/3.8/3.8
001203400020000070800010006500107003006000700100906005200090004060000090008302500 Patterns_Game_0038_103-gsf 3.8/3.8/3.8
080500010200040009000009000700050600050603080008020001000700000400030006020001090 Patterns_Game_0039_046-gsf 3.8/3.8/3.8 (repeat)
600001009020070060007400000009000002040080030500000800000009100060040080300100007 Patterns_Game_0040_040-gsf 3.8/3.8/3.8 (repeat)
001200000030004500600000030500700080000090000060000004040000005009600070000001302 Patterns_Game_0046_092-TTHsieh 3.8/3.8/3.8
001002003040000050300050100000403001003000200600705000008070009060000040700200600 Patterns_Game_0047_095-m_b_metcalf 3.8/3.8/3.8 (repeat)
100002030004500100060070002050000060008040009900000200010007800700800003009060040 Patterns_Game_0051_046-m_b_metcalf 3.8/3.8/3.8 (repeat)

[EDIT: Additional puzzles]

by **tarek** » Fri Oct 03, 2008 4:27 am

This is the current list processed to pass Pat's Extra Lenient criteria .... Need to be individually checked for final score

Puzzle#Chronology#ID
200090000060003100001200070007000020300000008080000400040008600002700010000050004#001#tarek-001
700040000050001300006200070007000020900000008030000500060003100002700060000050004#002#tarek-002
900060000040001800007200090009000020500000003060000400070008100002900070000040006#003#tarek-003
100070000040003100008900060006000090200000003010000400080004200009600080000050006#004#tarek-004
800060000050003900009800010001000080300000007070000400040007300008100090000020005#005#tarek-005
500040000040001300009700050005000070200000006010000800090008400007500090000010008#006#tarek-006
000010000020003400005600070007300060800000003040008200090002800006700030000090000#008#TTHsieh-002
500003600009070000040200008008000002030000050600000100300006040000050300007800009#009#tarek-007
300007100008050000020800006006000004070000030100000900700001020000030700005600008#010#tarek-008
300009400006050000010800002001000008080000010400000700500004030000030900008100006#011#tarek-009
100009600005080000080200007004000002090000060600000100300006010000050900002700005#012#tarek-010
900008500004030000060100003006000001010000060500000200700005090000090800001600004#013#tarek-011
300009400006050000020800001001000008090000030400000700900004020000030900008100006#014#tarek-012
600001800003050000010400005009000004020000060100000700700008020000030100004500003#015#tarek-013
900008200006020000050300001004000003070000050200000100800003070000090800003500006#016#tarek-014
400006100008090000060500009002000005070000060600000300300001070000080600005900008#017#tarek-015
400006800007030000010500009004000005060000040800000200600008010000040600003900007#018#tarek-016
400006900005030000060700002002000007050000040800000100100007060000040800007200009#019#tarek-017
200003100004010000060800004007000008090000020100000300600001030000020500008400009#020#tarek-018
700006400005020000080900002002000008090000070400000600300004010000060300008200009#021#tarek-019
900004200007060000030100006005000001080000090300000400400002080000070300001600007#022#tarek-020
500006100009080000030900007004000008090000050100000300600001030000020600008400009#023#tarek-021
000324000006000300090000050200090006600403001400050008020000080007000400000712000#024#tarek-022
000528000007000900040000030900010008500306007200040001090000080002000500000869000#025#tarek-023
000197000009000200070000080900010005700502008600030004050000030002000600000875000#026#tarek-024
000345000005000200060000070200060007500401009900020001020000040001000600000896000#027#tarek-025
000562000005000800070000010800070001200609004400080009080000060009000700000347000#028#tarek-026
000629000006000300090000010900050002400908007700040003010000060005000800000261000#029#tarek-027
000742000004000900010000030300080005200609003900030001030000040002000800000816000#030#tarek-028
001230000004000000005000632000702008700040001100309000523000900000000500000061800#031#TTHsieh-003
900400700060030050001008004200800100030040070007009005500600200020080090006001003#033#tso-001
600003900004050000080200007005000002090000060300000100100009040000010300002500008#034#tarek-029
700002900008010000050400006001000004040000030200000500500003090000070200004600001#035#tarek-030
503000009040005010801070304030100020400030607000000080709000008000400000300050000#036#Morgoth-001
001070000060009020400000003010802090000000500090005080002010600000207050308000000#037#Morgoth-002
005000200320006000040080010510260008009050400200049051080070020000300064003000500#038#droid42-001
300670000679010004000000017730900068400030009910006072860000000100040896000068001#039#daj95376-001
301090000006800000080050304100005800800020006004900007503080010000002700000040509#040#Nick67-001
000060003003009087200500060600030010930000026070090004010008005540600800300050000#041#tso-002
500600298320008000008700053200009000940000015000800009860007500000200061432005007#042#tso-003
200008400690020005000300900400005003030040080500700006002003000300050078009800004#043#daj95376-002
006003004000070030500200900004000008010000090200000500008004007020060000900500200#044#tarek-031
006008002000040090500700400008000006090000020600000300002006008010070000300400700#045#tarek-032
003004009000050030100200500009000004030000060200000100006009007010080000500100200#046#tarek-033
008005002000090070900300400002000001070000080400000300001002005090060000300400900#047#tarek-034
004005003000060090700800600003000001090000040800000700001003005070020000600700800#048#tarek-035
002005001000080020700900600001000005060000040400000900005001002030020000900300400#049#tarek-036
008007006000050030100300900006000007020000080900000400007006008080040000500900300#050#tarek-037
009002003000090040400600800005000002080000070600000400002009001050030000800400600#051#tarek-038
008006007000020050400100200006000003050000080100000400007003006040090000200400100#052#tarek-039
004007003000060050500200900006000007090000010200000500007004008040030000900500200#053#tarek-040
001002005000040070900700300008000006050000010700000900006001008080030000300900700#054#tarek-041
001002007000090030200400500003000008080000060400000200008006003090050000500200400#055#tarek-042
009006004000030020200500100004000006010000070500000200006008001080040000100200500#056#tarek-043
006009008000030070100500200009000004020000050500000100004008009090060000200100500#057#tarek-044
007004009000030020200500100006000004010000080500000200009006001040090000100200500#058#tarek-045
004007003000080010200900600007000001080000040600000800002003007070050000800600900#059#tarek-046
003005001000020040600700800004000009030000050700000200001009003050070000200600700#060#tarek-047
003009007000020010600500400004000003080000070500000200007003009090050000200100500#061#tarek-048
100020000003004050060700800005000010400000003090000600001005040070600200000090005#062#JPF-001
001002003020010040500600100002003007070040030600800400005006009060080070800500300#063#Mauricio-001
001002003020010040300500200003006007060070050800900400008009004030060070100800900#064#Mauricio-002
001002003020010040500600100002007005070080060800100300009006004080050030600300900#065#Mauricio-003
010000020003000400000501000006040500070000080004050900000609000005000600080000010#066#TTHsieh-004
001000200000103000300020004010506020007000600080904010600050008000308000005000700#067#gsf-001
000000000009105700053902410061000590000030000094000370016203940005801200000000000#068#m_b_metcalf-001
000100000002003004050060020700400500001006002080090040000600000004008001060050080#069#TTHsieh-005
000000000001203400050406010017000360000000000089000750030705080004302900000000000#070#gsf-002
000000000004308200012507380027000150000000000063000920085103460001402500000000000#071#m_b_metcalf-002
100002345500040000600700000300807100060000080001206003000008004000020001258100006#072#JPF-002
000000000001203400020105060037000820000080000048000790090506030003409100000000000#073#Mauricio-004
070200090500060001000007000300020900090701030002050008000800000600030004010004050#074#tarek-049
080500010200040009000009000700050600050603080008020001000700000400030006020001090#075#gsf-003
600001009020070060007400000009000002040080030500000800000009100060040080300100007#076#gsf-004
906030205000000000300701008001000600200050004008000900800902007000000000403080109#077#Pat-001
001200000030004500600000070200600010000000000040005003050000004002100060000008300#078#JPF-003
001002003040000020500060100000704008003000500700506000008070001090000040600900800#079#JPF-004
001002003040000050300050100000403001003000200600705000008070009060000040700200600#080#m_b_metcalf-003
100002030004500100060070002050000060008040009900000200010007800700800003009060040#081#m_b_metcalf-004

tarek

by **tarek** » Fri Oct 03, 2008 5:36 am

This was quicker than I thought ....
I found a semi-automated method to use the -J option in gsf's sudoku on multiple puzzles ....
This method can handle around 999 puzzles in 1 go.

The following are the Pure Swordfish of this thread (up to this post) sorted chronologically with scores:

Puzzle#Chronology#ID#Score#Swordfish_Needed
200090000060003100001200070007000020300000008080000400040008600002700010000050004#001#tarek-001#8#2
700040000050001300006200070007000020900000008030000500060003100002700060000050004#002#tarek-002#8#2
900060000040001800007200090009000020500000003060000400070008100002900070000040006#003#tarek-003#8#2
100070000040003100008900060006000090200000003010000400080004200009600080000050006#004#tarek-004#8#2
800060000050003900009800010001000080300000007070000400040007300008100090000020005#005#tarek-005#8#2
500040000040001300009700050005000070200000006010000800090008400007500090000010008#006#tarek-006#8#2
000010000020003400005600070007300060800000003040008200090002800006700030000090000#008#TTHsieh-002#4#1
500003600009070000040200008008000002030000050600000100300006040000050300007800009#009#tarek-007#7#1
300007100008050000020800006006000004070000030100000900700001020000030700005600008#010#tarek-008#7#1
300009400006050000010800002001000008080000010400000700500004030000030900008100006#011#tarek-009#8#1
100009600005080000080200007004000002090000060600000100300006010000050900002700005#012#tarek-010#8#1
900008500004030000060100003006000001010000060500000200700005090000090800001600004#013#tarek-011#8#1
300009400006050000020800001001000008090000030400000700900004020000030900008100006#014#tarek-012#7#1
600001800003050000010400005009000004020000060100000700700008020000030100004500003#015#tarek-013#8#1
900008200006020000050300001004000003070000050200000100800003070000090800003500006#016#tarek-014#8#1
400006100008090000060500009002000005070000060600000300300001070000080600005900008#017#tarek-015#8#1
400006800007030000010500009004000005060000040800000200600008010000040600003900007#018#tarek-016#7#1
400006900005030000060700002002000007050000040800000100100007060000040800007200009#019#tarek-017#8#1
200003100004010000060800004007000008090000020100000300600001030000020500008400009#020#tarek-018#7#1
700006400005020000080900002002000008090000070400000600300004010000060300008200009#021#tarek-019#8#1
900004200007060000030100006005000001080000090300000400400002080000070300001600007#022#tarek-020#8#1
500006100009080000030900007004000008090000050100000300600001030000020600008400009#023#tarek-021#8#1
000324000006000300090000050200090006600403001400050008020000080007000400000712000#024#tarek-022#7#1
000528000007000900040000030900010008500306007200040001090000080002000500000869000#025#tarek-023#7#1
000197000009000200070000080900010005700502008600030004050000030002000600000875000#026#tarek-024#7#1
000345000005000200060000070200060007500401009900020001020000040001000600000896000#027#tarek-025#8#1
000562000005000800070000010800070001200609004400080009080000060009000700000347000#028#tarek-026#8#1
000629000006000300090000010900050002400908007700040003010000060005000800000261000#029#tarek-027#8#1
000742000004000900010000030300080005200609003900030001030000040002000800000816000#030#tarek-028#7#1
001230000004000000005000632000702008700040001100309000523000900000000500000061800#031#TTHsieh-003#7#1
900400700060030050001008004200800100030040070007009005500600200020080090006001003#033#tso-001#6#1
600003900004050000080200007005000002090000060300000100100009040000010300002500008#034#tarek-029#4#1
700002900008010000050400006001000004040000030200000500500003090000070200004600001#035#tarek-030#4#1
503000009040005010801070304030100020400030607000000080709000008000400000300050000#036#Morgoth-001#5#1
001070000060009020400000003010802090000000500090005080002010600000207050308000000#037#Morgoth-002#4#1
005000200320006000040080010510260008009050400200049051080070020000300064003000500#038#droid42-001#6#1
300670000679010004000000017730900068400030009910006072860000000100040896000068001#039#daj95376-001#6#1
301090000006800000080050304100005800800020006004900007503080010000002700000040509#040#Nick67-001#7#1
000060003003009087200500060600030010930000026070090004010008005540600800300050000#041#tso-002#7#1
500600298320008000008700053200009000940000015000800009860007500000200061432005007#042#tso-003#6#1
200008400690020005000300900400005003030040080500700006002003000300050078009800004#043#daj95376-002#6#1
006003004000070030500200900004000008010000090200000500008004007020060000900500200#044#tarek-031#7#4
006008002000040090500700400008000006090000020600000300002006008010070000300400700#045#tarek-032#8#3
003004009000050030100200500009000004030000060200000100006009007010080000500100200#046#tarek-033#7#3
008005002000090070900300400002000001070000080400000300001002005090060000300400900#047#tarek-034#7#3
004005003000060090700800600003000001090000040800000700001003005070020000600700800#048#tarek-035#7#3
002005001000080020700900600001000005060000040400000900005001002030020000900300400#049#tarek-036#7#3
008007006000050030100300900006000007020000080900000400007006008080040000500900300#050#tarek-037#7#3
009002003000090040400600800005000002080000070600000400002009001050030000800400600#051#tarek-038#7#3
008006007000020050400100200006000003050000080100000400007003006040090000200400100#052#tarek-039#7#3
004007003000060050500200900006000007090000010200000500007004008040030000900500200#053#tarek-040#7#3
001002005000040070900700300008000006050000010700000900006001008080030000300900700#054#tarek-041#7#3
001002007000090030200400500003000008080000060400000200008006003090050000500200400#055#tarek-042#8#3
009006004000030020200500100004000006010000070500000200006008001080040000100200500#056#tarek-043#8#3
006009008000030070100500200009000004020000050500000100004008009090060000200100500#057#tarek-044#7#3
007004009000030020200500100006000004010000080500000200009006001040090000100200500#058#tarek-045#8#3
004007003000080010200900600007000001080000040600000800002003007070050000800600900#059#tarek-046#8#1
003005001000020040600700800004000009030000050700000200001009003050070000200600700#060#tarek-047#7#1
003009007000020010600500400004000003080000070500000200007003009090050000200100500#061#tarek-048#7#1
100020000003004050060700800005000010400000003090000600001005040070600200000090005#062#JPF-001#4#1
001002003020010040500600100002003007070040030600800400005006009060080070800500300#063#Mauricio-001#8#2
001002003020010040300500200003006007060070050800900400008009004030060070100800900#064#Mauricio-002#4#2
001002003020010040500600100002007005070080060800100300009006004080050030600300900#065#Mauricio-003#8#3
010000020003000400000501000006040500070000080004050900000609000005000600080000010#066#TTHsieh-004#4#1
001000200000103000300020004010506020007000600080904010600050008000308000005000700#067#gsf-001#7#1
000000000009105700053902410061000590000030000094000370016203940005801200000000000#068#m_b_metcalf-001#7#1
000100000002003004050060020700400500001006002080090040000600000004008001060050080#069#TTHsieh-005#7#1
000000000001203400050406010017000360000000000089000750030705080004302900000000000#070#gsf-002#7#1
000000000004308200012507380027000150000000000063000920085103460001402500000000000#071#m_b_metcalf-002#7#1
100002345500040000600700000300807100060000080001206003000008004000020001258100006#072#JPF-002#8#1
000000000001203400020105060037000820000080000048000790090506030003409100000000000#073#Mauricio-004#7#1
070200090500060001000007000300020900090701030002050008000800000600030004010004050#074#tarek-049#4#1
080500010200040009000009000700050600050603080008020001000700000400030006020001090#075#gsf-003#8#1
600001009020070060007400000009000002040080030500000800000009100060040080300100007#076#gsf-004#8#2
906030205000000000300701008001000600200050004008000900800902007000000000403080109#077#Pat-001#7#1
001200000030004500600000070200600010000000000040005003050000004002100060000008300#078#JPF-003#7#1
001002003040000020500060100000704008003000500700506000008070001090000040600900800#079#JPF-004#7#1
001002003040000050300050100000403001003000200600705000008070009060000040700200600#080#m_b_metcalf-003#7#1
100002030004500100060070002050000060008040009900000200010007800700800003009060040#081#m_b_metcalf-004#8#1

tarek

by **tarek** » Fri Oct 03, 2008 5:56 am

Another good thing about solving several isomorphs of the same puzzle is exposing RED HERRINGS ....

The following pure Swordfish puzzles (Posted & Listed) need only 1 swordfish to solve .... Solved with singles only there will be no Red herrings .... Add Locked candidates,subsets & x-wing, then (if you're unlucky) the 1st puzzle MAY need 3 swordfish to solve & the rest MAY need 2 swordfish to solve:

Code: Select all: . . 4 | . . 7 | . . 3 . . . | . 8 . | . 1 . 2 . . | 9 . . | 6 . . -------+-------+------ . . 7 | . . . | . . 1 . 8 . | . . . | . 4 . 6 . . | . . . | 8 . . -------+-------+------ . . 2 | . . 3 | . . 7 . 7 . | . 5 . | . . . 8 . . | 6 . . | 9 . . tarek-046 . . 3 | . . 5 | . . 1 . . . | . 2 . | . 4 . 6 . . | 7 . . | 8 . . -------+-------+------ . . 4 | . . . | . . 9 . 3 . | . . . | . 5 . 7 . . | . . . | 2 . . -------+-------+------ . . 1 | . . 9 | . . 3 . 5 . | . 7 . | . . . 2 . . | 6 . . | 7 . . tarek-047 . . 3 | . . 9 | . . 7 . . . | . 2 . | . 1 . 6 . . | 5 . . | 4 . . -------+-------+------ . . 4 | . . . | . . 3 . 8 . | . . . | . 7 . 5 . . | . . . | 2 . . -------+-------+------ . . 7 | . . 3 | . . 9 . 9 . | . 5 . | . . . 2 . . | 1 . . | 5 . . tarek-048

tarek

by **BryanL** » Mon Nov 22, 2010 7:26 am

Hi tarek,

as per your request in the patterns game, here is a list of swordfish 3.8/3.8/3.8's I had in cache.

Not 100% sure if they are all swordfish as i had a small rating/puzzle match-up glitch at one point...

None of them are isomorphs of each other but didn't check them against others in this thread.

They were prevalent in game 0125

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009001004000070010600800700008040005060700030500000200002003006040010000300900100
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009008007000060080800300200006030009030200060700000100004001005070080000200700400
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009008007000060050400300200006030001030200090700000500004001008070080000200700400
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009008007000060040100300200006030009030200010700000500004001005070080000200700400
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009008007000060050400300200006030001030200080700000500004001005070080000200700600
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009001004000030010700800600008040007060700030500000900002003006040080000300200100
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009008007000090060500400300005020003020600010700000200004003002080070000600800100
009008005000090060500400300003020007040600010100000200004003002090070000600800100
009008007000090060500400300005020008090600010100000500004003002050070000600200100
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009008007000090060500400300005020003040600010100000200008003004020070000600800100
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009008005000090060500400300005020008040600010100000200004009007020070000600800100
009008007000090060500400300005020004090600010400000200004003002010070000600800100
009008007000060050400300200006050008040200060700000500004001003070030000200700400
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009008007000090060500400300005020008040600010100000900008003004030070000600900100
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009006004000070090700800200008040005060100030500000900002008006040010000300200100
009001008000020090700800500001070002090600050600000300002005003060040000300900800
009008007000090060500400300005020008040600010100000600004005002050070000300800100
009008007000090060500400300005020008040600010100000900004003005050070000600900100

by **tarek** » Mon Nov 22, 2010 10:20 am

Thanks BryanL,

The puzzles are automatically vetted before adding to the list. So don't worry about it. Feel free to post more puzzles whenever you have any.

tarek

by **BryanL** » Mon Nov 22, 2010 12:22 pm

tarek wrote:Thanks BryanL,

My pleasure...

I really liked those 3 jellyfish puzzles in the other thread - amazing.

Not sure if it was the last patterns game or the one before, but there were some puzzles with 3 and I think one with 4 swordfish! Not sure of their ratings though...

by **ronk** » Mon Nov 22, 2010 1:04 pm

::: more ::: from "cache" for patterns game 0125

Hidden Text: Show

Code: Select all: ..2..3..9....8..3.8..1..7....1.9...3.2.5...6.5.....4....8..7..6.5..4....3..2..1.. ..8..2..4....7..2.9..1..6....1.9...2.8.5...3.5.....7....7..6..3.5..4....3..2..1.. ..9..2..8....7..2.7..1..6....1.8...2.9.5...4.5.....8....7..6..3.5..4....3..2..1.. ..1..2..7....8..2.8..6..9....6.9...2.1.5...3.5.....4....8..7..6.5..4....3..2..1.. ..8..1..4....6..7.9..3..2....3.5...6.9.7...8.5.....7....6..5..2.5..4....3..2..1.. ..6..8..9....9..8.9..3..7....9.8...7.1.5...6.7.....4....4..6..2.5..4....3..2..1.. ..6..8..9....9..8.9..3..7....9.8...7.1.5...6.7.....4....1..6..2.5..4....3..2..1.. ..9..1..3....7..1.8..3..5....2.9...1.8.5...7.9.....8....7..6..4.5..4....3..2..1.. ..8..9..2....7..9.1..8..3....7.2...9.8.5...7.5.....4....2..3..6.5..4....3..2..1.. ..4..8..9....2..3.5..9..6....7.1...8.8.3...7.6.....2....6..1..5.1..4....3..2..1.. ..6..9..1....7..9.4..5..8....3.9...5.8.7...6.5.....2....1..4..3.4..1....3..2..1.. ..5..2..8....5..7.8..6..9....4.1...2.1.7...8.6.....7....6..5..4.4..3....3..2..1.. ..6..9..3....5..9.4..6..7....3.9...1.2.8...7.6.....5....1..3..4.4..1....3..2..1.. ..8..9..2....3..9.6..8..7....5.2...9.8.4...7.4.....5....2..6..5.4..1....3..2..1.. ..1..9..2....7..9.6..8..4....2.9...8.4.5...1.8.....7....7..3..6.5..4....3..2..1.. ..4..9..8....5..9.5..7..6....7.9...4.3.1...2.8.....7....6..5..2.2..4....3..2..1.. ..8..2..5....8..6.5..9..8....9.4...8.6.3...1.7.....6....5..4..2.4..1....3..2..1.. ..3..7..5....8..6.4..9..3....5.9...2.1.6...8.7.....6....1..5..4.2..4....3..2..1.. ..7..1..5....8..6.4..7..3....3.6...9.8.3...7.5.....4....6..5..2.2..4....3..2..1.. ..3..9..2....7..5.8..4..7....2.5...1.8.6...7.6.....4....5..1..3.1..4....3..2..1.. ..9..4..3....7..6.8..5..2....2.9...8.7.6...1.4.....6....5..1..4.1..3....3..2..1.. ..2..8..9....2..3.9..5..7....5.6...8.7.3...1.4.....6....4..1..5.1..4....3..2..1.. ..8..9..3....5..7.4..3..2....5.8...2.9.7...6.8.....7....6..4..5.4..1....3..2..1.. ..7..8..3....3..2.9..5..6....1.4...9.9.8...3.2.....7....6..4..5.4..1....3..2..1.. ..9..8..2....6..8.7..4..9....4.8...7.3.1...6.2.....4....6..1..5.4..3....3..2..1.. ..1..2..4....3..5.9..6..7....8.5...7.9.8...3.7.....6....5..1..2.1..4....3..2..1.. ..4..9..6....3..7.8..6..2....3.5...4.2.7...1.5.....7....6..5..2.1..4....3..2..1..

by **Mauricio** » Mon Nov 22, 2010 10:17 pm

Some of them are not pure swordfish, but feel free to try to solve them without using swordfish, seriously.

Hidden Text: Show

by **tarek** » Fri Nov 26, 2010 1:55 am

Thanks for all the puzzles ....

I will updating the puzzle lists every now & then ...

Don't let any period of inactivity or my abscence prevent you from posting. I will eventually collect the puzzles from the last list update & rate them.

tarek

by **Pat** » Thu Nov 15, 2012 2:41 pm

posted

7...4.....5...13....62...7...7....2.9.......8.3....5...6...31....27...6.....5...4

Code: Select all: 7 . . | . 4 . | . . . . 5 . | . . 1 | 3 . . . . 6 | 2 . . | . 7 . -------+-------+------ . . 7 | . . . | . 2 . 9 . . | . . . | . . 8 . 3 . | . . . | 5 . . -------+-------+------ . 6 . | . . 3 | 1 . . . . 2 | 7 . . | . 6 . . . . | . 5 . | . . 4

{ edit:
saw 2 moves, got excited;
now reviewed the earlier discussion — such puzzles have been seen, indeed even 3 moves
}

The New Sudoku Players' Forum

A Pure Swordfish Collection

Re: A Pure Swordfish Collection

Re: A Pure Swordfish Collection

Re: A Pure Swordfish Collection

Re: A Pure Swordfish Collection

Re: A Pure Swordfish Collection

Re: A Pure Swordfish Collection