The New Sudoku Players' Forum

by **Leren** » Mon Jul 09, 2018 8:47 pm

Code: Select all: *-----------* |.2.|...|.3.| |7..|..3|...| |...|.4.|..7| |---+---+---| |..3|..9|.41| |4..|.7.|.25| |2..|.1.|8..| |---+---+---| |57.|.3.|9..| |36.|..4|..8| |..8|..7|..2| *-----------*

by **Cenoman** » Mon Jul 09, 2018 9:46 pm

Code: Select all: +-------------------+----------------------+--------------------+ | 189* 2 456 | 7 689 15* | 145* 3 69 | | 7 19 456 | 1269 2689 3 | 1245 158 69 | | 189 3 56 | 1269 4 125 | 125 158 7 | +-------------------+----------------------+--------------------+ | 6 8 3 | 25 25 9 | 7 4 1 | | 4 19 19 | 3 7 8 | 6 2 5 | | 2 5 7 | 4 1 6 | 8 9 3 | +-------------------+----------------------+--------------------+ | 5 7 12* | 8 3 12* | 9 6 4 | | 3 6 129 | 1259 259 4 | 15* 7 8 | | 9-1 4 8 | 1569 569 7 | 3 15* 2 | +-------------------+----------------------+--------------------+

Kind of swordfish (?? - maybe out of the rule ?):
(1)r1c1
(1)r1c6 - r7c6 = r7c3
(1)r1c7 - r8c7 = r9c8
=> -1 r9c1; ste

by **SteveG48** » Mon Jul 09, 2018 10:26 pm

Code: Select all: *-----------------------------------------------------------* | 189 2 456 | 7 689 15 | 145 3 69 | | 7 19 456 | 1269 2689 3 | 1245 158 69 | | 189 3 56 | 1269 4 125 | 125 158 7 | *-------------------+-------------------+-------------------| | 6 8 3 |a25 a25 9 | 7 4 1 | | 4 19 19 | 3 7 8 | 6 2 5 | | 2 5 7 | 4 1 6 | 8 9 3 | *-------------------+-------------------+-------------------| | 5 7 12 | 8 3 12 | 9 6 4 | | 3 6 12-9 |a1259 a259 4 |b15 7 8 | |c19 4 8 | 1569 569 7 | 3 c15 2 | *-----------------------------------------------------------*

(UR 9=1)r48c45 - 1r8c7 = (19)r9c18 => -9 r8c3 ; stte

by **pjb** » Mon Jul 09, 2018 11:09 pm

Code: Select all: g189 2 456 | 7 689 (15) |f145 3 69 7 19 456 |d1269 d2689 3 |e1245 158 69 189 3 56 | 1269 4 c125 | 125 158 7 ------------------------+----------------------+--------------------- 6 8 3 | 25 25 9 | 7 4 1 4 19 19 | 3 7 8 | 6 2 5 2 5 7 | 4 1 6 | 8 9 3 ------------------------+----------------------+--------------------- 5 7 a12 | 8 3 b12 | 9 6 4 3 6 129 | 1259 259 4 | 15 7 8 9-1 4 8 | 1569 569 7 | 3 15 2

(1)r7c3 = (1-2)r7c6(-r1c6) = r3c6 - r2c45 = (2-4)r2c7 = (4-1)r1c7 = r1c1 => -1 r9c1; stte

Phil

by **Leren** » Tue Jul 10, 2018 10:57 am

Cenoman wrote : Kind of swordfish (??

Franken Swordfish in 1's r17b9 c167 with fin Cells r7c3 & r9c8. Leren

by **Sudtyro2** » Tue Jul 10, 2018 3:14 pm

Code: Select all: +---------------+----------------+---------------+ | 189* 2 456 | 7 689 15* |a145# 3 69 | | 7 19* 456 | 1269 2689 3 | 1245 158 69 | | 189# 3 56 | 1269 4 x125# | 125 158 7 | +---------------+----------------+---------------+ | 6 8 3 | 25 25 9 | 7 4 1 | | 4 19* 19* | 3 7 8 | 6 2 5 | | 2 5 7 | 4 1 6 | 8 9 3 | +---------------+----------------+---------------+ | 5 7 z12* | 8 3 y12* | 9 6 4 | | 3 6 129# | 1259 259 4 |b15 7 8 | | 9-1 4 8 | 1569 569 7 | 3 c15 2 | +---------------+----------------+---------------+

Or, the 7-link oddagon(*) with four guardians(#)...

Code: Select all: 1r1c7 - r8c7 = r9c8 - 1r9c1; abc 1r3c6 - r7c6 = r7c3 - 1r9c1; xyz 1r3c1,r8c3 - 1r9c1; stte

SteveC

by **Leren** » Wed Jul 11, 2018 8:41 pm

Link to the original puzzle is here.

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