The New Sudoku Players' Forum

by **Leren** » Thu Mar 08, 2018 9:01 pm

Code: Select all: *-----------* |.5.|..2|7..| |...|.1.|..2| |2.1|9..|4..| |---+---+---| |1..|865|9..| |.9.|3.7|.4.| |..7|194|..6| |---+---+---| |..4|..9|5.1| |7..|.8.|...| |..3|4..|.2.| *-----------*

by **SteveG48** » Thu Mar 08, 2018 10:12 pm

Code: Select all: *--------------------------------------------------------------------* | 389 5 89 | 6 4 2 | 7 1 389 | | 4 3678 689 |a57 1 38 | 368 A3689-5 2 | | 2 3678 1 | 9 A7-5 38 | 4 3568 358 | *----------------------+----------------------+----------------------| | 1 4 2 | 8 6 5 | 9 37 37 | | 568 9 A68-5 | 3 2 7 | 1 4 B58 | | 358 38 7 | 1 9 4 | 2 b58 6 | *----------------------+----------------------+----------------------| | 68 268 4 | 27 3 9 | 5 678 1 | | 7 126 a59 |A2-5 8 16 | 36 369 4 | |A9-5 168 3 | 4 a57 16 | 68 2 79 | *--------------------------------------------------------------------*

Double coloring on 5s => -5 r2c8,r3c5,r5c3,r8c4,r9c1 ; stte

by **Cenoman** » Thu Mar 08, 2018 10:18 pm

Code: Select all: +---------------------+-----------------+----------------------+ | 389 5 89 | 6 4 2 | 7 1 389 | | 4 3678 689 | d57 1 38 | 368 e35689 2 | | 2 3678 1 | 9 57 38 | 4 3568 358 | +---------------------+-----------------+----------------------+ | 1 4 2 | 8 6 5 | 9 37 37 | | 568 9 568 | 3 2 7 | 1 4 58 | | 358 3-8 7 | 1 9 4 | 2 f58 6 | +---------------------+-----------------+----------------------+ | 68 268 4 | 27 3 9 | 5 678 1 | | 7 b126* 59 | c25 8 16* | 36 369 4 | | 59 a168* 3 | 4 57 16* | 68 2 79 | +---------------------+-----------------+----------------------+

UR(16)r89c26 using internals
(8)r9c2==(2)r8c2 - (2=5)r8c4 - r2c4 = r2c8 - (5=8)r6c8 => -8 r6c2; stte

by **pjb** » Thu Mar 08, 2018 11:16 pm

Code: Select all: 389 5 89 | 6 4 2 | 7 1 389 4 3678 c689 |a57 1 38 | 368 b35689 2 2 3678 1 | 9 57 38 | 4 3568 358 ------------------------+----------------------+--------------------- 1 4 2 | 8 6 5 | 9 37 37 568 9 568 | 3 2 7 | 1 4 58 358 38 7 | 1 9 4 | 2 58 6 ------------------------+----------------------+--------------------- 68 268 4 | 27 3 9 | 5 678 1 7 126 d59 | 2-5 8 16 | 36 369 4 59 168 3 | 4 57 16 | 68 2 79

(5)r2c4 = (5-9)r2c8 = r2c3 - (9=5)r8c3 => -5 r8c4; stte

Phil

by **Marty R.** » Fri Mar 09, 2018 9:36 pm

Code: Select all: ┌───────────────────────┬───────────────────────┬───────────────────────┐ │ 389 5 89 │ 6 4 2 │ 7 1 389 │ │ │ │ │ │ 4 3678 689 │ 57 1 38 │ 368 35689 2 │ │ │ │ │ │ 2 3678 1 │ 9 57 38 │ 4 3568 358 │ ├───────────────────────┼───────────────────────┼───────────────────────┤ │ 1 4 2 │ 8 6 5 │ 9 37 37 │ │ │ │ │ │ 568 9 568 │ 3 2 7 │ 1 4 58 │ │ │ │ │ │ 358 38 7 │ 1 9 4 │ 2 58 6 │ ├───────────────────────┼───────────────────────┼───────────────────────┤ │ 68 268 4 │ 27 3 9 │ 5 678 1 │ │ │ │ │ │ 7 126 59 │ 25 8 16 │ 36 369 4 │ │ │ │ │ │ 59 168 3 │ 4 57 16 │ 68 2 79 │ └───────────────────────┴───────────────────────┴───────────────────────┘

M-Wing (59) (5=9)r8c3-r2c3=(9-5)r2c8=r2c4=> -5r8c4

March 09 2018