The New Sudoku Players' Forum

by **ArkieTech** » Fri May 12, 2017 11:06 pm

Code: Select all: *-----------* |4.3|..1|5..| |.5.|6.4|.21| |..7|...|...| |---+---+---| |7.9|...|4..| |...|1.5|...| |..6|...|1.3| |---+---+---| |...|...|8..| |37.|2.9|.1.| |..1|5..|2.7| *-----------*

by **SteveG48** » Sat May 13, 2017 1:22 am

Code: Select all: *-------------------------------------------------------------* | 4 26 3 | 789 279 1 | 5 6789 689 | | 9 5 8 | 6 e37 4 | 37 2 1 | | 1 26 7 | 389 5 238 | 39 4689 4689 | *--------------------+-------------------+--------------------| | 7 1 9 | 38 e36 368 | 4 5 2 | | 28 3 cd24 | 1 e479 5 |f79 f6789 f689 | | 5 48 6 | 479 2479 27 | 1 g789 3 | *--------------------+-------------------+--------------------| |cd26 b4-9 b245 | 347 1 367 | 8 ah349 abi459 | | 3 7 b45 | 2 8 9 | 6 1 b45 | |cd68 cd489 1 | 5 e346 36 | 2 h34-9 7 | *-------------------------------------------------------------*

9r7c89 = (9r7c2)&(2r78c39[UR]) - (2|9)r5c3,b7p178 = (4r5c3)&(4b7p178) - (4=3679)r2459c5 - 9r5c789 = r6c8 - r79c8 = 9r7c9 => -9 r7c2,r9c8 ; stte

by **JC Van Hay** » Sat May 13, 2017 5:24 am

Code: Select all: +--------------+----------------------+------------------+ | 4 26 3 | 789 279 1 | 5 6789 689 | | 9 5 8 | 6 37 4 | 37 2 1 | | 1 26 7 | 89(3) 5 -2(38) | (39) 4689 4689 | +--------------+----------------------+------------------+ | 7 1 9 | (38) 36 36(8) | 4 5 2 | | 28 3 24 | 1 (479) 5 | 7(9) 6789 689 | | 5 48 6 | 79(4) 2479 (27) | 1 789 3 | +--------------+----------------------+------------------+ | 26 49 245 | 3(47) 1 36(7) | 8 349 459 | | 3 7 45 | 2 8 9 | 6 1 45 | | 68 489 1 | 5 346 36 | 2 349 7 | +--------------+----------------------+------------------+

(9-3)r3c7=*M-Ring[(3)r3c6=*(3)r3c4-(3=8)r4c4-(8)r4c6=(8)r3c6]
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(9)r5c7=*M-Wing[(7=*4)r5c5-(4)r6c4=(4-7)r7c4=(7)r7c6]-(7=2)r6c6 => -(2)r3c6; stte

by **pjb** » Sat May 13, 2017 12:57 pm

Code: Select all: 4 26 3 | 789 eF279b 1 | 5 d6789 689 9 5 8 | 6 37 4 | 37 2 1 1 26 7 | 389 5 E238 | 39 4689 4689 ------------------------+----------------------+--------------------- 7 1 9 | 38 36 368 | 4 5 2 28 3 24 | 1 a479 5 |b79 c6789 689 5 48 6 |A479 2479a D27 | 1 c789 3 ------------------------+----------------------+--------------------- 26 49 245 |B347 1 C367 | 8 349 459 3 7 45 | 2 8 9 | 6 1 45 68 489 1 | 5 346 36 | 2 349 7

(9)r5c5* - (9=7)r5c7 - r56c8 = r1c8 - (79=2)r1c5*
(4)r6c4 = (4-7)r7c4 = r7c6 - (7=2)r6c6 - r3c6 = (2)r1c5 => r1c5=2; stte
(2)r6c5 = (2)r1c5

Phil

by **Cenoman** » Sat May 13, 2017 1:52 pm

Code: Select all: +-------------------+---------------------+---------------------+ | 4 26 3 | 789 279 1 | 5 6789 689 | | 9 5 8 | 6 37x 4 | 37w 2 1 | | 1 26 7 | 389 5 238 | 39 4689 4689 | +-------------------+---------------------+---------------------+ | 7 1 9 | 38 36y 368 | 4 5 2 | | 28 3 24 | 1 Aa479v 5 | 79w 6789 689 | | 5 48 6 | 479 2479 B27 | 1 789 3 | +-------------------+---------------------+---------------------+ | 26 49 245 | c34z-7 1 C367 | 8 349 459 | | 3 7 45 | 2 8 9 | 6 1 45 | | 68 489 1 | 5 b346y 36 | 2 349 7 | +-------------------+---------------------+---------------------+

Kraken cell (479)r5c5 => -7 r7c4; stte

Code: Select all: (4)r5c5 - r9c5 = (4)r7c4 - 7r7c4 (7)r5c5 - r6c6 = (7)r7c6 - 7r7c4 (9)r5c5 - (9=3)r25c7 - r2c5 = (36-4)r49c5 = (4)r7c4 - 7r7c4

Cenoman

by **Ngisa** » Sat May 13, 2017 4:16 pm

Code: Select all: +------------+--------------+--------------+ | 4 26 3 | 789 279 1 | 5 6789 689 | | 9 5 8 | 6 37 4 | 37 2 1 | | 1 26 7 | 389 5 238 | 39 4689 4689 | +------------+--------------+--------------+ | 7 1 9 | 38 36 368 | 4 5 2 | | c28 3 d24 | 1 79-4 5 | 79 6789 689 | | 5 48 6 | 479 2479 27 | 1 789 3 | +------------+--------------+--------------+ | 26 49 245 | 347 1 367 | 8 349 459 | | 3 7 45 | 2 8 9 | 6 1 45 | | b68 489 1 | 5 a346 a36 | 2 349 7 | +------------+--------------+--------------+

(4=36)r9c56 - (6=8)r9c1 - (8=2)r5c1 - (2=4)r5c3 => - 4 r5c5; stte

Clement

by **SteveG48** » Sat May 13, 2017 7:44 pm

Nice solution, Clement, but I think it gives basics to the end, not singles.

by **Ngisa** » Sun May 14, 2017 5:46 am

SteveG48 wrote:Nice solution, Clement, but I think it gives basics to the end, not singles.

Thanks.

May 13, 2017