The New Sudoku Players' Forum

by **Leren** » Tue May 29, 2018 8:47 pm

Code: Select all: *-----------* |.9.|1..|.56| |5..|..7|8..| |.8.|4..|.37| |---+---+---| |.3.|9..|2..| |...|...|...| |67.|8.2|.45| |---+---+---| |95.|2.4|.71| |.1.|6..|5..| |...|...|...| *-----------*

by **ArkieTech** » Tue May 29, 2018 9:08 pm

Code: Select all: *--------------------------------------------------------------------* | 37 9 37 | 1 2 8 | 4 5 6 | | 5 46 146 | 3 a69 7 | 8 129 29 | | 12 8 126 | 4 b569 b59 |b19 3 7 | *----------------------+----------------------+----------------------| | 4 3 5 | 9 7 16 | 2 16 8 | | 18 2 189 | 5 4 136 | 7 169 39 | | 6 7 19 | 8 a13 2 |39-1 4 5 | *----------------------+----------------------+----------------------| | 9 5 368 | 2 a38 4 | 36 7 1 | | 2378 1 23478 | 6 a389 39 | 5 28 234 | | 238 46 23468 | 7 15 15 | 369 289 2349 | *--------------------------------------------------------------------* [(1=6)r2678c5-(6=1)r3c567]-1r6c7; ste

by **Cenoman** » Tue May 29, 2018 10:10 pm

Code: Select all: +----------------------+-------------------+---------------------+ | 37* 9 37* | 1 2 8 | 4 5 6 | | 5 46 146 | 3 69 7 | 8 129 29 | | 12 8 126 | 4 569 B59 | C19 3 7 | +----------------------+-------------------+---------------------+ | 4 3 5 | 9 7 16 | 2 16 8 | | 18 2 189 | 5 4 136 | 7 169 y39 | | 6 7 19 | 8 b13 2 | z39-1 4 5 | +----------------------+-------------------+---------------------+ | 9 5 368 | 2 38 4 | 36 7 1 | | 2378* 1 23478* | 6 a389 A39 | 5 28 x234 | | 238 46 23468 | 7 15 15 | 369 289 2349 | +----------------------+-------------------+---------------------+

UR(37)r18c13 using externals
(3)r8c5 - (3=1)r6c5
(3-9)r8c6 = r3c6 - (9=1)r3c7
(3)r8c9 - r5c9 = (3)r6c7
=> -1 r6c7; ste

by **pjb** » Tue May 29, 2018 10:34 pm

Code: Select all: 37 9 37 | 1 2 8 | 4 5 6 5 46 146 | 3 69 7 | 8 129 29 12 8 126 | 4 c569 b59 |a19 3 7 ------------------------+----------------------+--------------------- 4 3 5 | 9 7 16 | 2 16 8 18 2 189 | 5 4 136 | 7 169 39 6 7 19 | 8 e13 2 | 39-1 4 5 ------------------------+----------------------+--------------------- 9 5 368 | 2 38 4 | 36 7 1 2378 1 23478 | 6 389 39 | 5 28 234 238 46 23468 | 7 d15 15 | 369 289 2349

(1=9)r3c7 - (9=5)r3c6 - r3c5 = (5-1)r9c5 = r6c5 => -1 r6c7; stte
or
(1)r6c5 = r45c6 - (1=5)r9c6 - (5=9)r3c6 - (9=1)r3c7 => -1 r6c7; stte

Phil

by **SteveG48** » Wed May 30, 2018 1:22 am

Code: Select all: *--------------------------------------------------------------------* | 37 9 37 | 1 2 8 | 4 5 6 | | 5 46 146 | 3 6-9 7 | 8 a129 a29 | | 12 8 126 | 4 569 c59 | 1-9 3 7 | *----------------------+----------------------+----------------------| | 4 3 5 | 9 7 c16 | 2 b16 8 | | 18 2 189 | 5 4 136 | 7 169 39 | | 6 7 19 | 8 13 2 | 139 4 5 | *----------------------+----------------------+----------------------| | 9 5 368 | 2 38 4 | 36 7 1 | | 2378 1 23478 | 6 389 39 | 5 28 234 | | 238 46 23468 | 7 15 c15 | 369 289 2349 | *--------------------------------------------------------------------*

(9=12)r2c89 - (1=6)r4c8 - (6=159)r349c6 => -9 r2c5,r3c7 ; stte

by **Ngisa** » Wed May 30, 2018 11:08 am

Code: Select all: +-----------------------+-------------------+----------------------+ | 37 9 37 | 1 2 8 | 4 5 6 | | 5 46 146 | 3 c69 7 | 8 b129 b29 | | 12 8 126 | 4 569 569 |a19 3 7 | +-----------------------+-------------------+----------------------+ | 4 3 5 | 9 7 16 | 2 h16 8 | | 18 2 189 | 5 4 f136 | 7 g169 39 | | 6 7 19 | 8 13 2 | 39-1 4 5 | +-----------------------+-------------------+----------------------+ | 9 5 368 | 2 38 4 | 36 7 1 | | 2378 1 23478 | 6 d389 e39 | 5 28 234 | | 238 46 23468 | 7 15 15 | 369 289 2349 | +-----------------------+-------------------+----------------------+

(1=9)r3c7 - r2c8 = r2c5 - r8c5 = (9-3)r8c6 = (3-6)r5c6 = r5c8 - (6=1)r4c8 => - 1r6c7; stte

Clement

by **Leren** » Wed May 30, 2018 9:11 pm

Link to the original puzzle is here. Leren

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