The New Sudoku Players' Forum

by **P.O.** » Wed Jan 18, 2023 10:13 am

Code: Select all: 9 . 2 . 8 6 7 . 3 . . . . . . . . . 6 . 1 7 9 . 2 . 8 . . . 2 . . 4 . . 7 . 6 . 3 . 8 . 5 . 1 . . . . . . . 4 . 8 . 1 . 5 7 9 . . . . . 9 . . . 1 . 9 5 4 . 3 . 2 9.2.867.3.........6.179.2.8...2..4..7.6.3.8.5.1.......4.8.1.579.....9...1.954.3.2 9 45 2 14 8 6 7 145 3 358 34578 3457 134 25 12345 169 14569 146 6 345 1 7 9 345 2 45 8 358 3589 35 2 567 1578 4 1369 167 7 249 6 149 3 14 8 129 5 2358 1 345 4689 567 4578 69 2369 67 4 236 8 36 1 23 5 7 9 235 23567 357 368 267 9 16 1468 146 1 67 9 5 4 78 3 68 2

by **Cenoman** » Wed Jan 18, 2023 10:43 am

Code: Select all: +------------------------+-----------------------+----------------------+ | 9 45 2 | 14 8 6 | 7 145 3 | | 358 34578 3457 | 134 b25 c12345 | 169 14569 146 | | 6 345 1 | 7 9 345 | 2 45 8 | +------------------------+-----------------------+----------------------+ | 358 3589 35 | 2 567 1578 | 4 1369 167 | | 7 249 6 | 149 3 14 | 8 129 5 | | 2358 1 345 | e468-9 a567 4578 | a69 2369 a67 | +------------------------+-----------------------+----------------------+ | 4 236 8 | e36 1 d23 | 5 7 9 | | 235 23567 357 | e368 267 9 | 16 1468 146 | | 1 67 9 | 5 4 78 | 3 68 2 | +------------------------+-----------------------+----------------------+

(9=675)r6c579 - (5=2)r2c5 - r2c6 = (2-3)r7c6 = (368)r678c4 => -9 r6c4; ste

by **RSW** » Wed Jan 18, 2023 10:54 am

Code: Select all: +-----------------+-------------------+---------------+ | 9 45 2 |d14 8 6 | 7 145 3 | | 358 34578 3457 |d134 b25 c12345 | 169 14569 146 | | 6 345 1 | 7 9 c345 | 2 45 8 | +-----------------+-------------------+---------------+ | 358 3589 35 | 2 567 c1578 | 4 1369 167 | | 7 249 6 |d149 3 c14 | 8 *12-9 5 | | 2358 1 345 |*468-9 a567 c4578 |a69 2369 a67 | +-----------------+-------------------+---------------+ | 4 236 8 | 36 1 23 | 5 7 9 | | 235 23567 357 | 368 267 9 | 16 1468 146 | | 1 67 9 | 5 4 c78 | 3 68 2 | +-----------------+-------------------+---------------+

(9=675)r6c579 - (5=2)r2c5 - (2=145783)r234569c6 - (3=149)r125c4 => -9r6c4 -9r5c8; stte

by **SteveG48** » Wed Jan 18, 2023 3:39 pm

Code: Select all: *--------------------------------------------------------------------* | 9 45 2 | 14 8 6 | 7 145 3 | | 358 34578 3457 | 134 25 12345 | 169 14569 146 | | 6 345 1 | 7 9 345 | 2 45 8 | *----------------------+----------------------+----------------------| |d358 d3589 d35 | 2 567 c1578 | 4 136-9 b167 | | 7 249 6 | 149 3 14 | 8 129 5 | | 2358 1 d345 | 4689 b567 c4578 |a69 2369 a67 | *----------------------+----------------------+----------------------| | 4 236 8 | 36 1 23 | 5 7 9 | | 235 23567 357 | 368 267 9 | 16 1468 146 | | 1 67 9 | 5 4 c78 | 3 68 2 | *--------------------------------------------------------------------*

(9=67)r6c79 - (6|7=15)r4c9,r6c5 - (1|5=784)r469c6 - (4=3589)b4p1239 => -9 r4c8 ; ste

by **eleven** » Wed Jan 18, 2023 4:01 pm

Code: Select all: *-----------------------------------------------------------------------* | 9 45 2 | 14 8 6 | 7 145 3 | | 358 34578 3457 | 134 25 12345 | 169 14569 146 | | 6 345 1 | 7 9 345 | 2 45 8 | |------------------------+-----------------------+----------------------| | 358 3589 35 | 2 c567 c1578 | 4 b1369 b167 | | 7 249 6 | 149 3 14 | 8 129 5 | | 2358 1 345 | f468-9 567 4578 | a69 2369 a67 | |------------------------+-----------------------+----------------------| | 4 236 8 | 36 1 23 | 5 7 9 | | 235 23567 357 | e368 267 9 | 16 1468 146 | | 1 67 9 | 5 4 d78 | 3 68 2 | *-----------------------------------------------------------------------*

(9=67)r6c79 - r4c89 = 67r4c56 - (7=8)r9c6 - r8c4 = r6c4 => -9r6c4 stte

by **P.O.** » Fri Jan 20, 2023 6:41 pm

thank you for your answers, my solution:

Code: Select all: 7r4c569 => r6c4 <> 9 r4c5=7 - r4n6{c5 c89} - r6c7{n6 n9} r4c6=7 - r9c6{n7 n8} - c4n8{r8 r6} r4c9=7 - r6c9{n7 n6} - r6c7{n6 n9} ste.

Puzzle 91