The New Sudoku Players' Forum

by **tarek** » Wed Aug 05, 2020 4:07 pm

Code: Select all: +-------+-------+-------+ | 8 . 1 | 5 . . | . . . | | . . . | . . . | . . 7 | | 3 . . | 1 6 . | . . 4 | +-------+-------+-------+ | 2 . 7 | 9 . 4 | . 5 . | | . . 3 | . . . | . 6 . | | . . . | 2 . . | 4 . . | +-------+-------+-------+ | . . . | . . 1 | 8 . . | | . . . | 7 4 . | . . . | | . 1 9 | . . . | . . 5 | +-------+-------+-------+ 8.15.............73..16...42.79.4.5...3....6....2..4.......18.....74.....19.....5

by **SpAce** » Wed Aug 05, 2020 5:52 pm

Code: Select all: .---------------.----------------.---------------------. | 8 4 1 | 5 f9-7 2379 | 2369 239 2369 | | 9 25 6 | 4 28 238 | 1235 1238 7 | | 3 7 25 | 1 6 289 | 259 289 4 | :---------------+----------------+---------------------: | 2 6 7 | 9 13 4 | 13 5 8 | | 4 59 3 | 8 157 57 | 1279 6 129 | | 1 589 58 | 2 a357 6 | 4 b379 39 | :---------------+----------------+---------------------: | d567 23 4 | 36 e59 1 | 8 c2379 2369 | | 56 238 28 | 7 4 59 | 12369 1239 12369 | | 67 1 9 | 36 28 28 | 367 4 5 | '---------------'----------------'---------------------'

(7)r6c5 = r6c8 - r7c8 = (75-9)r7c15 = (9)r1c5 => -7 r1c5; stte

by **Ngisa** » Wed Aug 05, 2020 8:31 pm

Code: Select all: +----------------+-----------------+----------------------+ | 8 4 1 | 5 79 2379 | 2369 239 2369 | | 9 25 6 | 4 28 238 | 1235 1238 7 | | 3 7 25 | 1 6 289 | 259 289 4 | +----------------+-----------------+----------------------+ | 2 6 7 | 9 13 4 | 13 5 138 | | 4 59 3 | 8 157 a57 | 1279 6 129 | | 1 589 58 | 2 b357 6 | 4 c379 39 | +----------------+-----------------+----------------------+ |e567 23 4 | 36 59 1 | d2379 2369 | |f56 238 28 | 7 4 9-5 | 12369 1239 12369 | | 67 1 9 | 36 28 28 | 367 4 5 | +----------------+-----------------+----------------------+

(5=7)r5c6 - r6c5 = r6c8 - r7c8 = (7-5)r7c1 = (5)r8c1 => - 5r8c6; stte

Clement

by **SteveG48** » Thu Aug 06, 2020 5:24 pm

Code: Select all: *--------------------------------------------------------------------* | 8 4 1 | 5 79 2379 | 2369 239 2369 | | 9 25 6 | 4 28 238 | 1235 1238 7 | | 3 7 25 | 1 6 289 | 259 289 4 | *----------------------+----------------------+----------------------| | 2 6 7 | 9 13 4 | 13 5 8 | | 4 59 3 | 8 157 a57 |b1279 6 129 | | 1 589 58 | 2 357 6 | 4 379 39 | *----------------------+----------------------+----------------------| | 567 23 4 | 36 59 1 | 8 2379 2369 | |d56 238 28 | 7 4 9-5 | 12369 1239 12369 | |d67 1 9 | 36 28 28 |c367 4 5 | *--------------------------------------------------------------------*

(5=7)r5c6 - r5c7 = r9c7 - (7=65)r89c1 => -5 r8c6 ; stte

August 3, 2020