The New Sudoku Players' Forum

by **tarek** » Thu Jun 11, 2020 8:23 pm

Code: Select all: +-------+-------+-------+ | . . . | . . . | . . . | | . 9 7 | . 8 . | 3 . . | | . 1 . | . . 9 | 5 2 . | +-------+-------+-------+ | . . . | . 6 . | 2 . . | | . . 9 | 3 . 1 | . 8 . | | 3 8 . | . 4 . | . . . | +-------+-------+-------+ | . . . | . 3 . | . 7 . | | . . . | 7 . . | 6 9 . | | 2 . . | 5 . . | . . . | +-------+-------+-------+ ..........97.8.3...1...952.....6.2....93.1.8.38..4........3..7....7..69.2..5.....

by **Cenoman** » Thu Jun 11, 2020 10:21 pm

Code: Select all: +------------------------+----------------------+-----------------------+ | 4568 2456 24568 | 146 f15 3 | 79 146 79 | | 456 9 7 | 1246 8 2456 | 3 146 146 | | 46 1 3 | 46 7 9 | 5 2 8 | +------------------------+----------------------+-----------------------+ | b1457 c45 c145 | 89 6 578 | 2 1345 13479 | | d4567 d2456 9 | 3 e25 1 | 47 8 467 | | 3 8 1256 | 29 4 257 | 179 156 1679 | +------------------------+----------------------+-----------------------+ | 9 456 14568 | 12468 3 2468 | 148 7 25 | | a1458 3 1458 | 7 2-1 248 | 6 9 25 | | 2 7 1468 | 5 9 468 | 148 134 134 | +------------------------+----------------------+-----------------------+

(1)r8c1 = r4c1 - (1=45)r4c23 - r5c12 = r5c5 - (5=1)r1c5 => -1 r8c5; ste

by **yzfwsf** » Fri Jun 12, 2020 1:11 am

Code: Select all: .-------------------.-----------------.------------------. | 4568 2456 24568 | 146 15 3 | 79 146 79 | | 456 9 7 | 1246 8 2456 | 3 146 146 | | 46 1 3 | 46 7 9 | 5 2 8 | :-------------------+-----------------+------------------: | c1457 d45 d145 | 89 6 578 | 2 1345 13479 | | 4567 2456 9 | 3 a25 1 | 47 8 467 | | 3 8 1256 | 29 4 257 | 179 156 1679 | :-------------------+-----------------+------------------: | 9 456 14568 | 12468 3 2468 | 148 7 25 | | b1458 3 1458 | 7 a12 248 | 6 9 25 | | 2 7 1468 | 5 9 468 | 148 134 134 | '-------------------'-----------------'------------------'

(5=21)r58c5 - r8c1 = r4c1 - (1=45)r4c12 => -5r4c6,r5c12;stte

June 10, 2020