The New Sudoku Players' Forum

by **SteveG48** » Sun Jun 18, 2023 1:48 pm

Code: Select all: *-----------* |.84|5..|..9| |.3.|...|..2| |...|..3|5.1| |---+---+---| |...|8.5|4..| |6..|...|..3| |..2|9.7|...| |---+---+---| |4.8|1..|...| |9..|...|.6.| |2..|..8|91.| *-----------*

by **Cenoman** » Sun Jun 18, 2023 3:47 pm

Code: Select all: +-------------------+---------------------+------------------+ | 1 8 4 | 5 b27 26 | 367* 37* 9 | | 5 3 69 | 467 189 19 | 67 48 2 | | 7 2 69 | 46 89 3 | 5 48 1 | +-------------------+---------------------+------------------+ | 3 9 1 | 8 6 5 | 4 2 7 | | 6 57 57 | 2 14 14 | 8 9 3 | | 8 4 2 | 9 3 7 | 1 5 6 | +-------------------+---------------------+------------------+ | 4 67 8 | 1 279 269 | 237* 37* 5 | | 9 1 357 | 37 c2457 c24 | a7-2 6 8 | | 2 567 357 | 367 c57 8 | 9 1 4 | +-------------------+---------------------+------------------+

UR(37)r17c78 using externals
(7)r8c7 == (7)r1c5 - (7=452)b8p568 => -2 r8c7; ste

by **jco** » Sun Jun 18, 2023 4:18 pm

After basics

Code: Select all: .-----------------------------------------------------------. | 1 8 4 | 5 27 a26 |b367 37 9 | | 5 3 69 | 467 189 19 | 67 48 2 | | 7 2 69 | 46 89 3 | 5 48 1 | |-------------------+-------------------+-------------------| | 3 9 1 | 8 6 5 | 4 2 7 | | 6 57 57 | 2 14 14 | 8 9 3 | | 8 4 2 | 9 3 7 | 1 5 6 | |-------------------+-------------------+-------------------| | 4 67 8 | 1 c279 c29-6 |b237 37 5 | | 9 1 357 | 37 2457 24 | 27 6 8 | | 2 567 357 | 367 57 8 | 9 1 4 | '-----------------------------------------------------------'

(6)r1c6 = (63-2)r17c7 = (29)r7c56 => -6 r7c6; ste

by **Ngisa** » Sun Jun 18, 2023 5:50 pm

Code: Select all: +-----------------+-----------------------+----------------+ | 1 8 4 | 5 27 26 | 367 c37 9 | | 5 3 e69 | 467 14789 1469 |d67 48 2 | | 7 2 f69 | 46 g489 3 | 5 48 1 | +-----------------+-----------------------+----------------+ | 3 9 1 | 8 6 5 | 4 2 7 | | 6 57 57 | 24 124 124 | 8 9 3 | | 8 4 2 | 9 3 7 | 1 5 6 | +-----------------+-----------------------+----------------+ | 4 a67 8 | 1 h279 i269 | 237 b37 5 | | 9 1 357 | 2347 2457 24 | 27 6 8 | | 2 57-6 357 |j367 57 8 | 9 1 4 | +-----------------+-----------------------+----------------+

(6=7)r7c2 - r7c8 = r1c8 - (7=6)r2c7 - r2c3 = (6-9)r3c3 = r3c5 - r7c5 = (9-6)r7c6 = (6)r9c4 => - 6r9c2; stte

Clement

by **RSW** » Sun Jun 18, 2023 6:41 pm

Code: Select all: +------------+----------------+-----------+ | 1 8 4 | 5 2-7 26 | 367 c37 9 | | 5 3 69 | 467 189 19 | 67 48 2 | | 7 2 69 | 46 89 3 | 5 48 1 | +------------+----------------+-----------+ | 3 9 1 | 8 6 5 | 4 2 7 | | 6 57 57 | 2 14 14 | 8 9 3 | | 8 4 2 | 9 3 7 | 1 5 6 | +------------+----------------+-----------+ | 4 b67 8 | 1 b279 b269 | 237 b37 5 | | 9 1 357 | 37 a2457 a24 | 27 6 8 | | 2 567 357 | 367 a57 8 | 9 1 4 | +------------+----------------+-----------+

(7=452)b8p568 - (2=6793)r7c2568 - (3=7)r1c8 => -7r1c5; stte

by **Leren** » Sun Jun 18, 2023 8:57 pm

Code: Select all: *-----------------------------------------* | 1 8 4 | 5 a27 f6-2 | 367 b37 9 | | 5 3 69 | 467 189 19 | 67 48 2 | | 7 2 69 | 46 89 3 | 5 48 1 | |------------+----------------+-----------| | 3 9 1 | 8 6 5 | 4 2 7 | | 6 57 57 | 2 14 14 | 8 9 3 | | 8 4 2 | 9 3 7 | 1 5 6 | |------------+----------------+-----------| | 4 d67 8 | 1 279 e269 | 237 c37 5 | | 9 1 357 | 37 2457 24 | 27 6 8 | | 2 567 357 | 367 57 8 | 9 1 4 | *-----------------------------------------*

(2=7) r1c5 - r1c8 = r7c8 - (7=6) r7c2 - r7c6 = (6) r1c6 => - 2 r1c6; stte

Leren

6-18-2023