The New Sudoku Players' Forum

by **tarek** » Fri Jul 03, 2020 11:29 am

Code: Select all: +-------+-------+-------+ | . . . | 5 8 9 | . . . | | . . . | . 3 . | . 6 . | | . . 8 | . . . | 3 . 5 | +-------+-------+-------+ | 8 . . | . . . | 7 . 6 | | 3 1 . | . 9 4 | . . . | | 2 . . | . 1 . | . . . | +-------+-------+-------+ | . . 7 | 1 . . | . 4 . | | . 3 . | . . . | 6 7 . | | . . 9 | 2 . . | . . . | +-------+-------+-------+ ...589.......3..6...8...3.58.....7.631..94...2...1......71...4..3....67...92.....

by **SpAce** » Fri Jul 03, 2020 2:14 pm

Code: Select all: .---------------.-------------.--------------------. | 17 6 3 | 5 8 9 | 14 2 147 | | 9 5 12 | 4 3 127 | 18 6 178 | | 147 24 8 | 6 27 127 | 3 9 5 | :---------------+-------------+--------------------: | 8 9 4 | 3 25 25 | 7 1 6 | | 3 1 6 | 7 9 4 | b258 58 28 | | 2 7 5 | 8 1 6 | 49 3 49 | :---------------+-------------+--------------------: | 56 a28' 7 | 1 56 38 | b29-8 4 239-8 | | 145 3 12 | 9 45 58 | 6 7 128 | | 146 4-8 9 | 2 467 378 | c158" c58" 138 | '---------------'-------------'--------------------'

(8=2)r7c2 - (25)r75c7 = (58)r9c78 => -8 r7c79,r9c2; stte

uncompressed, 4x4 PM: Show

(This seemed easiest of the June 30 - July 3 batch. No time to look at the more interesting ones right now.)

by **Ngisa** » Sat Jul 04, 2020 8:52 am

Code: Select all: +------------------+--------------------+-------------------+ | 147 6 3 | 5 8 9 | 14 2 147 | | 9 5 1-2| 4 3 127 | 18 6 178 | | 147 a24 8 | 6 27 127 | 3 9 5 | +------------------+--------------------+-------------------+ | 8 9 4 | 3 25 25 | 7 1 6 | | 3 1 6 | 7 9 4 | 258 c58 c28 | | 2 7 5 | 8 1 6 | 49 3 49 | +------------------+--------------------+-------------------+ | 56 28 7 | 1 56 38 | 289 4 2389 | | 145 3 e12 | 9 45 58 | 6 7 d128 | | 1456 a48 9 | 2 4567 3578 | 158 b58 138 | +------------------+--------------------+-------------------+

(2=48)r29c2 - (8=5)r9c8 - (5=82)r5c89 - (2)r8c9 = (2)r8c3 => - 2r2c3; stte

Clement

by **Cenoman** » Sat Jul 04, 2020 3:45 pm

Code: Select all: +------------------+-------------------+--------------------+ | 17 6 3 | 5 8 9 | 14 2 147 | | 9 5 12 | 4 3 127 | 18 6 178 | | 147 24 8 | 6 27 127 | 3 9 5 | +------------------+-------------------+--------------------+ | 8 9 4 | 3 25 25 | 7 1 6 | | 3 1 6 | 7 9 4 | d258* b58* c28 | | 2 7 5 | 8 1 6 | 49 3 49 | +------------------+-------------------+--------------------+ | 56 f28 7 | 1 56 38 | e289 4 2389 | | 145 3 12 | 9 45 58 | 6 7 128 | | 146 4-8 9 | 2 467 378 | d158* a58* 138 | +------------------+-------------------+--------------------+

UR(58)r59c78 using mixed external-internal
(8)r9c8 = r5c8 - r5c9 == (1-52)r59c7 = r7c7 - (2=8)r7c2 => -8r9c2; ste

by **pjb** » Mon Jul 06, 2020 12:17 am

Code: Select all: 17 6 3 | 5 8 9 | 14 2 147 9 5 12 | 4 3 127 | 18 6 178 147 24 8 | 6 27 127 | 3 9 5 ------------------------+----------------------+--------------------- 8 9 4 | 3 25 25 | 7 1 6 3 1 6 | 7 9 4 |c258 d58 28 2 7 5 | 8 1 6 | 49 3 49 ------------------------+----------------------+--------------------- 56 a28 7 | 1 56 38 |b29-8 4 239-8 145 3 12 | 9 45 58 | 6 7 128 146 4-8 9 | 2 467 378 | 158 e58 138

(8=2)r7c2 - r7c7 = (2-5)r5c7 = r5c8 - (5=8)r9c8 => -8 r7c79, r9c2; stte

Phil

July 3, 2020