grid game

Everything about Sudoku that doesn't fit in one of the other sections

Postby JPF » Thu Aug 21, 2008 5:38 pm

Here are some minimals with symmetries :
Code: Select all
300002007008050020012009000000503409040000030903408000000900670060080500100600004 # 9.1/1.2/1.2
000002150000050023000700806006500009040000030900008200205001000460080000087600000 # 9.0/9.0/8.3
094002000670104000500030000020000089001000700950000060000040008000307012000600390 # 8.9/8.9/2.6
300002000078150000010030800020000009041000730900000060005040070000087510000600004 # 8.8/1.2/1.2
004060007070000900500700840006010000800206005000070200035001008009000010100020300 # 8.6/8.6/2.8
004860000070000900500700040706500000800090005000008201030001008009000010000025300 # 8.5/1.2/1.2
004860000070050900500700040706000000840000035000000201030001008009080010000025300 # 8.4/3.4/2.6
300802000070050020000730800706000009041000730900000201005041000060080010000605004 # 8.3/8.3/2.8
000062100000000920000700046006503009800000005900408200230001000069000000007620000 # 7.8/1.2/1.2
000802050000050903000700840706000009040000030900000201035001000409080000080605000 # 7.7/1.2/1.2
004802050000100003500000800720010009000206000900070061005000008400007000080605300 # 7.6/1.2/1.2
004002150008000003510700806006500009000000000900008200205001078400000500087600300 # 7.3/2.3/2.3
300802100000100900000700046726000009000000000900000261230001000009007000007605004 # 7.2/1.5/1.5
300002007008054000012000000000003089040000030950400000000000670000380500100600004 # 7.1/1.2/1.2
000002150000104003000030006020003089001000700950400060200040000400307000087600000 # 7.0/1.2/1.2
004062057000100003500009000020000409800000005903000060000900008400007000180620300 # 6.9/1.2/1.2
304000057000004003500700800006010080000206000050070200005001008400300000180000304 # 6.8/1.2/1.2
304002107070000020502000806700503000000000000000408001205000608060000010107600304 # 6.7/1.5/1.5
000002150600000900510700000700503400000000000003408001000001078009000002087600000 # 6.6/2.6/2.6
004002000008150000510030800020000009041000730900000060005040078000087500000600300 # 5.6/1.2/1.2
300802050070000003002009000700010409000206000903070001000900600400000010080605004 # 4.5/1.2/1.2
300800150070004003002000006700010080000206000050070001200000600400300010087005004 # 4.4/1.2/1.2
304860050000100003500009000720000400800000005003000061000900008400007000080025304 # 4.2/1.2/1.2
090002007608054000012000000000003089040000030950400000000000670000380502100600090 # 4.0/1.2/1.2
090002000670054000000030800000000089041000730950000000005040000000380012000600090 # 3.4/1.2/1.2
300860000070054000000700800706000080840000035050000201005001000000380010000025004 # 3.2/1.2/1.2
304000050000000003500730800006010000001206700000070200005041008400000000080000304 # 3.0/3.0/2.6
000860000070050900000700840706000000840000035000000201035001000009080010000025000 # 2.6/1.2/1.2
000002000078050000012039000000003409041000730903400000000940670000080510000600000 # 2.3/1.2/1.2
000002107000054000000700006006500089040000030950008200200001000000380000107600000 # 2.0/1.2/1.2
300002150000000003000709006006500409000000000903008200200901000400000000087600004 # 1.5/1.2/1.2
304000007008000020512009000000010400000206000003070000000900678060000500100000304 # 1.2/1.2/1.2

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Postby tarek » Sat Aug 23, 2008 4:20 pm

JPF wrote:Here are some minimals with symmetries :
Nice !:D

I haven't thought about this before but would looking at symmetrical patterns of 25 clues & below the checking for validity/minimality - be a better option then minimizing then checking for symmetry ?

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Postby JPF » Sat Aug 23, 2008 4:38 pm

tarek wrote:I haven't thought about this before but would looking at symmetrical patterns of 25 clues & below the checking for validity/minimality - be a better option then minimizing then checking for symmetry ?

It's exactly what I do : with all the patterns for symmetry type I and for all patterns of 28 clues or less for symmetries type II,III,IV

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Postby tarek » Sun Aug 24, 2008 2:40 am

Good to know that JPF.
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