The New Sudoku Players' Forum

by **P.O.** » Thu Feb 02, 2023 5:30 pm

Code: Select all: 1 7 5 8 2 4 3 9 6 9 . . . . . . . 7 2 . . . . . . . 1 4 5 8 9 6 3 7 1 2 3 2 7 5 1 8 9 6 4 6 1 9 2 4 7 8 3 5 5 . . . . 6 1 . 8 8 . . . . . . 7 3 7 4 1 3 8 2 6 5 9 1758243969.......72.......14589637123275189646192478355....61.88......73741382659 1 7 5 8 2 4 3 9 6 9 368 346 16 35 15 245 248 7 2 368 346 67 3579 59 45 48 1 4 5 8 9 6 3 7 1 2 3 2 7 5 1 8 9 6 4 6 1 9 2 4 7 8 3 5 5 39 23 47 79 6 1 24 8 8 69 26 14 59 159 24 7 3 7 4 1 3 8 2 6 5 9

by **SteveG48** » Thu Feb 02, 2023 6:38 pm

Code: Select all: *-------------------------------------------------------------* | 1 7 5 | 8 2 4 | 3 9 6 | | 9 368 b346 | 6-1 b35 a15 | b245 248 7 | | 2 368 346 | 67 3579 59 | 45 48 1 | *-------------------+--------------------+--------------------| | 4 5 8 | 9 6 3 | 7 1 2 | | 3 2 7 | 5 1 8 | 9 6 4 | | 6 1 9 | 2 4 7 | 8 3 5 | *-------------------+--------------------+--------------------| | 5 39 23 | 47 79 6 | 1 24 8 | | 8 69 c26 |ac14 59 59-1 |ac24 7 3 | | 7 4 1 | 3 8 2 | 6 5 9 | *-------------------------------------------------------------*

(1=425)r2c6,r8c47 - (2|5=346)r2c357 - (6=241)r8c347 => -1 r2c4,r8c6 ; ste

by **jco** » Thu Feb 02, 2023 10:35 pm

Code: Select all: .-----------------------------------------------------------. | 1 7 5 | 8 2 4 | 3 9 6 | | 9 i38-6 346 |d16 35 15 | 245 248 7 | | 2 h38-6 346 |d67 c3579 59 | 45 g48 1 | |-------------------+-------------------+-------------------| | 4 5 8 | 9 6 3 | 7 1 2 | | 3 2 7 | 5 1 8 | 9 6 4 | | 6 1 9 | 2 4 7 | 8 3 5 | |-------------------+-------------------+-------------------| | 5 b39 23 | 47 c79 6 | 1 f24 8 | | 8 a69 26 |d14 59 159 |e24 7 3 | | 7 4 1 | 3 8 2 | 6 5 9 | '-----------------------------------------------------------'

(6=9)r8c2 - r7c2 = (97)r37c5 - (7=6*14)r238c4 - r8c7 = r7c8 - (4=8)r3c8 - r3c2 = (8)r2c2

=> -6 r3*c2, -6 r2c2; ste

by **Cenoman** » Fri Feb 03, 2023 2:24 pm

Code: Select all: +-------------------+--------------------+-------------------+ | 1 7 5 | 8 2 4 | 3 9 6 | | 9 368 346 | 16 35 15 | 245 248 7 | | 2 Aa368v 346 | B67 359-7 59 | 45 48w 1 | +-------------------+--------------------+-------------------+ | 4 5 8 | 9 6 3 | 7 1 2 | | 3 2 7 | 5 1 8 | 9 6 4 | | 6 1 9 | 2 4 7 | 8 3 5 | +-------------------+--------------------+-------------------+ | 5 b39 23 | 47y b79z 6 | 1 24x 8 | | 8 69 26 | 14 59 159 | 24 7 3 | | 7 4 1 | 3 8 2 | 6 5 9 | +-------------------+--------------------+-------------------+

Kraken cell (368)r3c2
(3)r3c2 - (3=97)r7c25
(6)r3c2 - (6=7)r3c4
(8)r3c2 - (8=4)r3c8 - r7c8 = (4-7)r7c4 = (7)r7c5
=> -7 r3c5; ste

by **jco** » Fri Feb 03, 2023 4:11 pm

Nonsense deleted. Apologies.
Many thanks to Cenoman for pointing that out.

by **P.O.** » Sun Feb 05, 2023 4:28 pm

thank you for your answers, my solution:

Code: Select all: 6r2c234 => r8c7 <> 2 r2c2=6 - r2n8{c2 c8} - r2n2{c8 c7} r2c3=6 - r8c3{n6 n2} r2c4=6 - c4n1{r2 r8} - r8n4{c4 c7} ste.

Puzzle 97