The New Sudoku Players' Forum

by **Leren** » Tue May 22, 2018 1:59 am

Code: Select all: *-----------* |3..|7..|.5.| |7..|81.|3.4| |.2.|...|7..| |---+---+---| |4..|.9.|...| |.6.|...|.39| |...|..6|4.5| |---+---+---| |8.3|.7.|.41| |..1|.5.|2..| |...|..3|.8.| *-----------*

by **StrmCkr** » Tue May 22, 2018 2:35 am

Code: Select all: .-----------------.---------------.------------------. | 3 18 4689 | 7 26 249 | 1689 5 268 | | 7 59 569 | 8 1 259 | 3 269 4 | | 159 2 45689 | 369 36 459 | 7 169 68 | :-----------------+---------------+------------------: | 4 138 2578 | 235 9 17 | 168 1267 2678 | | 125 6 2578 | 245 248 17 | 18 3 9 | | 129 138 2789 | 23 238 6 | 4 127 5 | :-----------------+---------------+------------------: | 8 59 3 | 269 7 29 | 569 4 1 | | 6 47 1 | 49 5 8 | 2 79 3 | | 259 47 259 | 1 46 3 | 59 8 67 | '-----------------'---------------'------------------'

Almost Locked Set XZ-Rule: A=r3c45 {369}, B=r8c4,r9c5 {469}, X=9, Z=6 => r1c5<>6
stte

by **Cenoman** » Tue May 22, 2018 7:52 am

Code: Select all: +----------------------+--------------------+-----------------------+ | 3 18 4689 | 7 a26 249 | 1689 5 268 | | 7 59 569 | 8 1 59-2 | 3 269 4 | | 159 2 45689 | b369 36 459 | 7 169 68 | +----------------------+--------------------+-----------------------+ | 4 138 2578 | 235 9 17 | 168 1267 2678 | | 125 6 2578 | 245 248 17 | 18 3 9 | | 129 138 2789 | 23 238 6 | 4 127 5 | +----------------------+--------------------+-----------------------+ | 8 59 3 | c269 7 d29 | 569 4 1 | | 6 47 1 | 49 5 8 | 2 79 3 | | 259 47 259 | 1 46 3 | 59 8 67 | +----------------------+--------------------+-----------------------+

M-wing (2=6)r1c5 - r3c4 = (6-2)r7c4 = (2)r7c6 => -2 r2c6; ste

by **storm_norm22** » Tue May 22, 2018 8:36 am

Code: Select all: .---------------------.---------------------.---------------------. | 3 18 4689 | 7 26 249 | 1689 5 268 | | 7 59 569 | 8 1 259 | 3 269 4 | | 159 2 45689 | 369 36 459 | 7 169 68 | :---------------------+---------------------+---------------------: | 4 138 2578 | 235 9 17 | 168 1267 2678 | | 125 6 2578 | 245 248 17 | 18 3 9 | | 129 138 2789 | 23 238 6 | 4 127 5 | :---------------------+---------------------+---------------------: | 8 59 3 | 269 7 29 | 569 4 1 | | 6 47 1 | 49 5 8 | 2 79 3 | | 259 47 259 | 1 46 3 | 59 8 67 | '---------------------'---------------------'---------------------'

and this way.
(6)r3c4 = (6-2)r7c4 = (2)r7c6 - (2)r12c6 = (2)r1c5; r1c5 <>6

by **morl** » Tue May 22, 2018 9:00 am

Code: Select all: 3 18 4689 | 7 26 249 | 1689 5 268 7 59 569 | 8 1 259 | 3 269 4 159 2 45689 | 369 36 459 | 7 169 68 ------------------------+----------------------+--------------------- 4 138 2578 |a235 9 17 | 168 1267 2678 125 6 2578 |a245 248 17 | 18 3 9 129 138 2789 |a23 238 6 | 4 127 5 ------------------------+----------------------+--------------------- 8 59 3 | 69-2 7 b29 | 569 4 1 6 47 1 |a49 5 8 | 2 79 3 259 47 259 | 1 46 3 | 59 8 67

ALS XZ: a=r4568c4, b=r7c6, X=9, Z=2 => -2r7c4; stte

by **SteveG48** » Tue May 22, 2018 2:38 pm

Code: Select all: *--------------------------------------------------------------------------------* | 3 1489 4689 | 7 246 249 | 1689 5 268 | | 7 59 569 | 8 1 259 | 3 269 4 | | 1569 2 45689 | 34569 346 459 | 7 169 68 | *-------------------------+--------------------------+---------------------------| | 4 13578 2578 | c235 9 1257 | 168 1267 2678 | | 125 6 2578 | c245 248 12457 | 18 3 9 | | 129 13789 2789 | c23 238 6 | 4 127 5 | *-------------------------+--------------------------+---------------------------| | 8 af59 3 |ab269 7 b2-9 | af569 4 1 | |d69 479 1 | c469 5 8 | 2 e679 3 | | 2569 4579 245679 | 1 246 3 | 569 8 e67 | *--------------------------------------------------------------------------------*

9r7c247 = (29)r7c46 - (2|9=2456)r4568c4 - (6=9)r8c1 - (9=67)b9p59 - (6=59)r7c27 => -9 r7c6 ; stte

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