The New Sudoku Players' Forum

by **morl** » Tue May 22, 2018 8:29 am

Code: Select all: +-------+-------+-------+ | 7 . . | . . . | . . 8 | | . 1 . | 3 . 2 | . 5 . | | . . 9 | . . . | 4 . . | +-------+-------+-------+ | . 2 . | 8 . 5 | . 1 . | | 8 . . | . 6 . | . . 7 | | 5 . . | . . . | . . 4 | +-------+-------+-------+ | . 4 2 | . . . | 9 3 . | | . . . | 1 . 6 | . . . | | . . . | . . . | . . . | +-------+-------+-------+

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7.......8.1.3.2.5...9...4...2.8.5.1.8...6...75.......4.42...93....1.6............

Have fun!
morl

by **storm_norm22** » Tue May 22, 2018 9:00 am

Code: Select all: .------------------.------------------.------------------. | 7 56 3 | 4569 459 49 | 1 2 8 | | 4 1 68 | 3 78 2 | 67 5 9 | | 2 568 9 | 567 1578 178 | 4 67 3 | :------------------+------------------+------------------: | 9 2 47 | 8 47 5 | 3 1 6 | | 8 3 14 | 2 6 14 | 5 9 7 | | 5 67 167 | 79 1379 1379 | 2 8 4 | :------------------+------------------+------------------: | 6 4 2 | 57 578 78 | 9 3 1 | | 3 789 578 | 1 249 6 | 78 47 25 | | 1 789 578 | 49 2349 349 | 678 467 25 | '------------------'------------------'------------------'

(7=6)r2c7 - (6)r2c3 = (6-1)r6c3 = (1)r6c56 - (1=4)r5c6 - (4=7)r4c5; r2c5 <> 7
stte

by **Cenoman** » Tue May 22, 2018 9:09 am

Code: Select all: +-------------------+-----------------------+-------------------+ | 7 56 3 | 4569 459 49 | 1 2 8 | | 4 1 6-8 | 3 b78 2 | 67 5 9 | | 2 568 9 | 567 1578 178 | 4 67 3 | +-------------------+-----------------------+-------------------+ | 9 2 a47 | 8 b47 5 | 3 1 6 | | 8 3 14 | 2 6 14 | 5 9 7 | | 5 67 167 | 79 1379 1379 | 2 8 4 | +-------------------+-----------------------+-------------------+ | 6 4 2 | 57 578 78 | 9 3 1 | | 3 789 a578 | 1 249 6 | 78 47 25 | | 1 789 a578 | 49 2349 349 | 678 467 25 | +-------------------+-----------------------+-------------------+

ALS-XZ rule (857=4)r489c3 - (4=78)r24c5 => -8 r2c3; ste

by **pjb** » Wed May 23, 2018 11:24 am

Code: Select all: 7 5-6 3 | 4569 459 49 | 1 2 8 4 1 a68 | 3 b78 2 | 67 5 9 2 58-6 9 | 567 1578 178 | 4 67 3 ------------------------+----------------------+--------------------- 9 2 d47 | 8 c47 5 | 3 1 6 8 3 14 | 2 6 14 | 5 9 7 5 e67 17-6 | 79 1379 1379 | 2 8 4 ------------------------+----------------------+--------------------- 6 4 2 | 57 578 78 | 9 3 1 3 789 578 | 1 249 6 | 78 47 25 1 789 578 | 49 2349 349 | 678 467 25

(6=8)r2c3 - (8=7)r2c5 - (7=4)r4c5 - (4=7)r4c3 - (7=6)r6c2 => -6 r13c2, r6c3; stte

Phil

by **Leren** » Wed May 23, 2018 8:56 pm

Code: Select all: *--------------------------------------------* | 7 56 3 | 4569 459 49 | 1 2 8 | | 4 1 b68 | 3 8-7 2 |a67 5 9 | | 2 568 9 | 567 1578 178 | 4 67 3 | |-------------+-----------------+------------| | 9 2 e47 | 8 f47 5 | 3 1 6 | | 8 3 14 | 2 6 14 | 5 9 7 | | 5 d67 c167 | 79 1379 1379 | 2 8 4 | |-------------+-----------------+------------| | 6 4 2 | 57 578 78 | 9 3 1 | | 3 789 578 | 1 249 6 | 78 47 25 | | 1 789 578 | 49 2349 349 | 678 467 25 | *--------------------------------------------*

W Wing with transport : (7=6) r2c7 - r2c3 = r6c3 - (6-7) r6c2 - r4c3 = (7) r4c5 => - 7 r2c5; stte

Leren

Challenging (SW 418)