The New Sudoku Players' Forum

by **SteveG48** » Fri Jul 07, 2023 4:30 am

Code: Select all: *-----------* |9..|...|...| |8.4|637|..5| |..7|45.|..8| |---+---+---| |5.1|...|..2| |...|.4.|...| |6..|...|1.7| |---+---+---| |4..|.76|5..| |7..|813|9.4| |...|...|..3| *-----------*

by **pjb** » Fri Jul 07, 2023 6:34 am

Code: Select all: 9 35 35 |a12 8 b12 | 7 4 6 8 1 4 | 6 3 7 | 2 9 5 2 6 7 | 4 5 9 | 3 1 8 ------------------------+----------------------+--------------------- 5 79 1 | 79 6 8 | 4 3 2 3 278 28 | 127 4 125 | 68 568 9 6 4 289 | 3 29 c25 | 1 d58 7 ------------------------+----------------------+--------------------- 4 2389 2389 | 9-2 7 6 | 5 e28 1 7 25 256 | 8 1 3 | 9 26 4 1 289 2689 | 5 29 4 | 68 7 3

(2=1)r1c4 - (1=2)r1c6 - (2=5)r6c6 - (5=8)r6c8 - (8=2)r7c8 => -2 r7c4; stte

Phil

by **RSW** » Fri Jul 07, 2023 6:55 am

Code: Select all: +-------------+--------------+-----------+ | 9 35 35 | #12 8 #12 | 7 4 6 | | 8 1 4 | 6 3 7 | 2 9 5 | | 2 6 7 | 4 5 9 | 3 1 8 | +-------------+--------------+-----------+ | 5 79 1 | c79 6 8 | 4 3 2 | | 3 278 28 |b#127 4 a#125 | 68 68-5 9 | | 6 4 289 | 3 29 2-5 | 1 f58 7 | +-------------+--------------+-----------+ | 4 2389 2389 | d29 7 6 | 5 e28 1 | | 7 25 256 | 8 1 3 | 9 26 4 | | 1 289 2689 | 5 29 4 | 68 7 3 | +-------------+--------------+-----------+

UR(12)r15c46
(5)r5c6 == (7)r5c4 - (7=9)r4c4 - (9=2)r7c4 - (2=8)r7c8 - (8=5)r6c8 => -5r6c6 -5r5c8; stte

by **P.O.** » Fri Jul 07, 2023 5:29 pm

Code: Select all: after singles: 9 35 35 12 8 12 7 4 6 8 1 4 6 3 7 2 9 5 2 6 7 4 5 9 3 1 8 5 79 1 79 6 8 4 3 2 3 278 28 127 4 125 68 568 9 6 4 289 3 29 25 1 58 7 4 2389 2389 29 7 6 5 28 1 7 25 256 8 1 3 9 26 4 1 289 2689 5 29 4 68 7 3 r6c5{n9 n2} - b8n2{r9c5 r7c4} - r7c8{n2 n8} - r6n8{c8 c3} => r6c3 <> 9 ste.

by **Ngisa** » Fri Jul 07, 2023 6:12 pm

Code: Select all: +-------------------+------------------+----------------+ | 9 35 35 | 12 8 12 | 7 4 6 | | 8 1 4 | 6 3 7 | 2 9 5 | | 2 6 7 | 4 5 9 | 3 1 8 | +-------------------+------------------+----------------+ | 5 i9-7 1 |h79 6 8 | 4 3 2 | | 3 a278 28 |b127 4 c125 | 68 568 9 | | 6 4 289 | 3 29 d25 | 1 e58 7 | +-------------------+------------------+----------------+ | 4 2389 2389 |g29 7 6 | 5 f28 1 | | 7 25 256 | 8 1 3 | 9 26 4 | | 1 289 2689 | 5 29 4 | 68 7 3 | +-------------------+------------------+----------------+

(7)r5c2 = (7-1)r5c4 = (1-5)r5c6 = r6c6 - (5=8)r6c8 - (8=2)r7c8 - (2=9)r7c4 - r4c4 = (9)r4c2 => - 7r4c2; stte

Clement

by **Leren** » Fri Jul 07, 2023 8:44 pm

Code: Select all: *----------------------------------------* | 9 35 35 | 12 8 12 | 7 4 6 | | 8 1 4 | 6 3 7 | 2 9 5 | | 2 6 7 | 4 5 9 | 3 1 8 | |-------------+--------------+-----------| | 5 79 1 | 79 6 8 | 4 3 2 | | 3 278 28 | 127 4 125 | 68 568 9 | | 6 4 289 | 3 d29 c25 | 1 b58 7 | |-------------+--------------+-----------| | 4 2389 2389 | 9-2 7 6 | 5 a28 1 | | 7 25 256 | 8 1 3 | 9 26 4 | | 1 289 2689 | 5 e29 4 | 68 7 3 | *----------------------------------------*

XY Wing with Transport : (2=8) r7c8 - (8=5) r6c8 - (5=2) r6c6 - r6c5 = (2) r9c5 => - 2 r7c4; stte

Leren

by **Cenoman** » Sat Jul 08, 2023 8:59 am

One more MUG...

Code: Select all: +---------------------+-------------------+------------------+ | 9 35 35 | 12* 8 12* | 7 4 6 | | 8 1 4 | 6 3 7 | 2 9 5 | | 2 6 7 | 4 5 9 | 3 1 8 | +---------------------+-------------------+------------------+ | 5 79 1 | 79 6 8 | 4 3 2 | | 3 278 28* | 127* 4 125* | 68 568* 9 | | 6 4 289* | 3 b29 25* | 1 58* 7 | +---------------------+-------------------+------------------+ | 4 2389 2389 | d29 7 6 | 5 a8-2 1 | | 7 25 256 | 8 1 3 | 9 26 4 | | 1 289 2689 | 5 c29 4 | 68 7 3 | +---------------------+-------------------+------------------+

MUG(1258)r1c46, r5c3468, r6c368 using externals:
(8)r7c8 == (2)r6c5 - r9c5 = (2)r7c4 => -2 r7c8; ste

7-7-2023