The New Sudoku Players' Forum

by **Leren** » Sat Jan 25, 2020 7:42 pm

Code: Select all: *-----------* |..2|43.|9..| |.3.|7..|.15| |19.|...|.2.| |---+---+---| |2..|...|..6| |94.|...|...| |...|...|74.| |---+---+---| |3.9|...|...| |6..|.1.|...| |.8.|5..|69.| *-----------* ..243.9...3.7...1519.....2.2.......694.............74.3.9......6...1.....8.5..69.

by **pjb** » Sat Jan 25, 2020 10:51 pm

Code: Select all: 78 5 2 | 4 3 1 | 9 6 78 48 3 6 | 7 29 29 | 48 1 5 1 9 47 | 68 568 568 | 34 2 347 ------------------------+----------------------+--------------------- 2 17 378-1 | 1389 45789 345789 | 1358 358 6 9 4 378-1 | 1368 5678 35678 | 12358 358 1238 5 6 a138 |b12-38 28 238 | 7 4 9 ------------------------+----------------------+--------------------- 3 127 9 |c268 4678-2 4678-2 | 12458 578 1248 6 27 5 |c2389 1 34789-2| 2348 378 2348 47 8 f147 | 5 d27 d237 | 6 9 e12-3

(1)r6c3 = (1-2)r6c4 = r78c4 - r9c56 = (2-1)r9c9 = r9c3 - loop => -2 r7c56, -2 r8c6, -1 r45c3, -38 r6c4, -3 r9c9; stte

Phil

by **eleven** » Sat Jan 25, 2020 11:01 pm

Code: Select all: *-----------------------------------------------------------------------* | 78 5 2 | 4 3 1 | 9 6 78 | | 48 3 6 | 7 #29 #29 | 48 1 5 | | 1 9 47 | 68 568 568 | 34 2 347 | |--------------------+--------------------------+-----------------------| | 2 17 1378 | 1389 45789 345789 | 1358 358 6 | | 9 4 1378 | 1368 5678 35678 | 12358 358 1238 | | 5 6 b138 | a1238 b#28 b#238 | 7 4 9 | |--------------------+--------------------------+-----------------------| | 3 127 9 | 268 4678-2 4678-2 | 12458 578 1248 | | 6 27 5 | 2389 1 34789-2 | 2348 378 2348 | | c47 8 c147 | 5 c7-2 c37-2 | 6 9 123 | *-----------------------------------------------------------------------*

Almost x-wing 2r26c56
x-wing = 2r6c4 - (2=831)r6c563 - (1=4723)r9c3156 - 3r6c6 = x-wing => -2r789c56, stte

Mystery Puzzle No 12