The New Sudoku Players' Forum

by **tarek** » Mon Apr 13, 2020 8:40 am

Code: Select all: +-------+-------+-------+ | 8 . . | . . 1 | 5 . . | | . . 3 | . . 2 | . . 4 | | . 9 . | 7 . . | . . . | +-------+-------+-------+ | . . 7 | 5 1 . | . . . | | . . . | 2 . . | . . 7 | | 3 1 . | . . . | 9 2 . | +-------+-------+-------+ | 2 . . | . . 5 | 3 . . | | . . . | . . 9 | . 6 1 | | . 3 . | . 7 . | . 4 . | +-------+-------+-------+ 8....15....3..2..4.9.7.......751.......2....731....92.2....53.......9.61.3..7..4.

by **Leren** » Mon Apr 13, 2020 9:09 am

Code: Select all: *------------------------------------------------* | 8 d467 c246 | 69 36 1 | 5 e379 239 | | 1567 567 3 | 689 568 2 | 68-7 1789 4 | | 156 9 126 | 7 3568 4 | 68 138 238 | |-----------------+-------------+----------------| | 9 2 7 | 5 1 68 | 4 38 368 | | 46 468 468 | 2 9 3 | 1 5 7 | | 3 1 5 | 468 468 7 | 9 2 68 | |-----------------+-------------+----------------| | 2 678 168 | 146 46 5 | 3 89-7 89 | | 457 4578 b48 | 3 2 9 |a78 6 1 | | 16 3 9 | 168 7 68 | 2 4 5 | *------------------------------------------------*

(7=8) r8c7 - (8=4) r8c3 - r1c3 = (4-7) r1c2 = (7) r1c8 => - 7 r2c7, r7c8; stte

Leren

by **Cenoman** » Mon Apr 13, 2020 10:32 pm

Code: Select all: +----------------------+--------------------+---------------------+ | 8 d467 c246 | 69 36 1 | 5 d379 239 | | 1567 567 3 | 689 568 2 | 678 1789 4 | | 156 9 126 | 7 3568 4 | 68 138 238 | +----------------------+--------------------+---------------------+ | 9 2 7 | 5 1 68 | 4 38 368 | | 46 468 468 | 2 9 3 | 1 5 7 | | 3 1 5 | 468 468 7 | 9 2 68 | +----------------------+--------------------+---------------------+ | 2 678 168 | 146 46 5 | 3 e789 89 | | a45-7 a458-7 b48 | 3 2 9 | f78 6 1 | | 16 3 9 | 168 7 68 | 2 4 5 | +----------------------+--------------------+---------------------+

Almost hidden pair
(54)r8c12 = (4)r8c3 - r1c3 = (47)r1c28 - r7c8 = (7)r8c7 => -7r8c12; ste

by **yzfwsf** » Tue Apr 14, 2020 2:34 am

Code: Select all: +----------------------+--------------------+---------------------+ | 8 c647 b264 | 69 36 1 | 5 d397 239 | | 1567 567 3 | 689 568 2 | e687 1789 4 | | 156 9 126 | 7 3568 4 | 68 138 238 | +----------------------+--------------------+---------------------+ | 9 2 7 | 5 1 68 | 4 38 368 | | 46 468 468 | 2 9 3 | 1 5 7 | | 3 1 5 | 468 468 7 | 9 2 68 | +----------------------+--------------------+---------------------+ | 2 678 168 | 146 46 5 | 3 789 89 | | 457 4578 a84 | 3 2 9 | f7-8 6 1 | | 16 3 9 | 168 7 68 | 2 4 5 | +----------------------+--------------------+---------------------+

(8=4)r8c3 - r1c3 = (4-7)r1c2 = r1c8 - r2c7 = 7r8c7 => -8r8c7;stte

April 12, 2020