The New Sudoku Players' Forum

by **SteveG48** » Fri Sep 22, 2023 4:07 pm

Code: Select all: *-----------* |..9|...|..4| |4..|96.|18.| |.5.|4..|...| |---+---+---| |.4.|...|.13| |...|621|...| |52.|...|.9.| |---+---+---| |...|..9|.3.| |.35|.48|..7| |2..|...|4..| *-----------*

by **Ngisa** » Fri Sep 22, 2023 6:28 pm

Code: Select all: +-------------------+--------------------+------------------+ | 1368 168 9 | 1578 1578 2357 |g356 267 4 | | 4 7 a23 | 9 6 235 | 1 8 h5-2 | | 1368 5 2368 | 4 178 237 |f369 267 269 | +-------------------+--------------------+------------------+ | 678 4 678 | 578 9 57 | 2 1 3 | |c3789 89 b378 | 6 2 1 | 578 4 58 | | 5 2 1 | 378 378 4 | 678 9 68 | +-------------------+--------------------+------------------+ | 1678 168 4 | 1257 157 9 | 68 3 1268 | |d169 3 5 | 12 4 8 |e69 26 7 | | 2 189 78 | 137 137 6 | 4 5 189 | +-------------------+--------------------+------------------+

(2=3)r2c3 - r5c3 = (3-9)r5c1 = r8c1 - r8c7 = (9-3)r3c7 = (3-5)r1c7 = (5)r2c9 => - 2r2c9; stte

Clement

by **jco** » Fri Sep 22, 2023 6:38 pm

After basics

Code: Select all: .-----------------------------------------------------------. | 1368 168 9 | 1578 1578 2357 | 356 267 4 | | 4 7 23 | 9 6 b235 | 1 8 c25 | | 1368 5 2368 | 4 178 237 | 369 267 269 | |-------------------+-------------------+-------------------| | 678 4 678 | 578 9 a57 | 2 1 3 | | 3789 89 378 | 6 2 1 | 578 4 d58 | | 5 2 1 | 38-7 38-7 4 |d678 9 d68 | |-------------------+-------------------+-------------------| | 1678 168 4 | 1257 157 9 | 68 3 1268 | | 169 3 5 | 12 4 8 | 69 26 7 | | 2 189 78 | 137 137 6 | 4 5 189 | '-----------------------------------------------------------'

ALS W-wing (7=5)r4c6 - (5)r2c6 = (5)r2c9 - (5=867)b6p679 => -7 r6c45; lclste

by **Leren** » Fri Sep 22, 2023 8:56 pm

Code: Select all: *---------------------------------------------------* | 1368 168 9 | 1578 1578 2357 | 356 267 4 | | 4 7 d23 | 9 6 235 | 1 8 c25 | | 1368 5 e2368 | 4 178 237 | 369 267 269 | |------------------+----------------+---------------| | 678 4 e678 | 578 9 57 | 2 1 3 | | 378-9 a89 e378 | 6 2 1 | 578 4 b58 | | 5 2 1 | 378 378 4 | 678 9 68 | |------------------+----------------+---------------| | 1678 168 4 | 1257 157 9 | 68 3 1268 | | 169 3 5 | 12 4 8 | 69 26 7 | | 2 189 e78 | 137 137 6 | 4 5 189 | *---------------------------------------------------*

(9=8) r5c2 - (8=5) r5c9 - (5=2) r2c9 - r2c3 = (2678-3) r3459c3 = (3) r5c1 => - 9 r5c1; stte

Leren

by **Cenoman** » Fri Sep 22, 2023 9:00 pm

Code: Select all: +----------------------+-----------------------+---------------------+ | 1368 168 9 | 1578 1578 2357 | 356 267 4 | | 4 7 b23 | 9 6 235 | 1 8 a25 | | 1368 5 2368 | 4 178 237 | 369 267 269 | +----------------------+-----------------------+---------------------+ | 678 4 678 | 578 9 57 | 2 1 3 | | 3789 9-8 c378 | 6 2 1 | c578 4 ca58 | | 5 2 1 | 378 378 4 | 678 9 68 | +----------------------+-----------------------+---------------------+ | 1678 168 4 | 1257 157 9 | 68 3 1268 | | 169 3 5 | 12 4 8 | 69 26 7 | | 2 189 78 | 137 137 6 | 4 5 189 | +----------------------+-----------------------+---------------------+

ALS Y-Wing: (8=52)r25c9 - (2=3)r2c3 - (3=578)r5c379 => -8 r5c2; ste

by **pjb** » Fri Sep 22, 2023 10:51 pm

Code: Select all: 1368 168 9 | 1578 1578 2357 | 356 267 4 4 7 23 | 9 6 c235 | 1 8 b25 1368 5 2368 | 4 178 237 | 369 267 269 ------------------------+----------------------+--------------------- f678 4 f678 |e578 9 d57 | 2 1 3 379-8 9-8 37-8 | 6 2 1 | 578 4 a58 5 2 1 | 378 378 4 | 678 9 68 ------------------------+----------------------+--------------------- 1678 168 4 | 1257 157 9 | 68 3 1268 169 3 5 | 12 4 8 | 69 26 7 2 189 78 | 137 137 6 | 4 5 189

(8=5)r5c9 - (5)r2c9 = (5)r2c6 - (5)r4c6 = (5-8)r4c4 = (8)r4c13 => -8 r5c123; stte

Phil

9-22-2023