The New Sudoku Players' Forum

by **eleven** » Sun Jan 15, 2017 7:30 pm

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

by **SteveG48** » Sun Jan 15, 2017 8:04 pm

Code: Select all: *-----------------------------------------------------------* | 245 d29 1 | 25 3 8 | 7 6 49 | | 567 3 67 | 56 4 9 | 28 28 1 | |b246 8 26-9 | 126 7 16 |a349 5 a349 | *-------------------+-------------------+-------------------| |c12 4 d238 | 168 9 7 | 2358 238 256 | | 39 69 5 | 48 2 36 | 1 7 48 | | 17 d26 378 | 148 5 13 | 348 9 26 | *-------------------+-------------------+-------------------| |b26 7 236 | 9 8 4 | 235 1 25 | | 8 1 d29 | 3 6 5 | 29 4 7 | | 39 5 4 | 7 1 2 | 6 38 389 | *-----------------------------------------------------------*

(9=43)r3c79 - (4=26)r37c1 - 2r4c1 = (HP(29)r16c2)|(HP(29)r48c3) => -9 r3c3 ; stte

by **JC Van Hay** » Sun Jan 15, 2017 10:25 pm

Code: Select all: +---------------------+-------------+----------------+ | (245) -2(9) 1 | (25) 3 8 | 7 6 49 | | 567 3 67 | 56 4 9 | 28 28 1 | | (246) 8 26(9) | 126 7 16 | 349 5 349 | +---------------------+-------------+----------------+ | 12 4 238 | 168 9 7 | 2358 238 256 | | 39 69 5 | 48 2 36 | 1 7 48 | | 17 26 378 | 148 5 13 | 348 9 26 | +---------------------+-------------+----------------+ | (26) 7 236 | 9 8 4 | 235 1 25 | | 8 1 (29) | 3 6 5 | 29 4 7 | | 39 5 4 | 7 1 2 | 6 38 389 | +---------------------+-------------+----------------+

[9r1c2=9r3c3-(9=26)r8c3,r7c1-6r3c1=XYZWing(245)r1c14,r3c1]-2r1c2; stte

by **Cenoman** » Sun Jan 15, 2017 11:03 pm

Bis repetita placent ?

Code: Select all: +------------------+-----------------+--------------------+ |b245 f29 1 | 25 3 8 | 7 6 c49 | |a56-7 3 67 |j56 4 9 | 28 28 1 | | 246 8 e29-6 |j126 7 i16 |d349 5 349 | +------------------+-----------------+--------------------+ |l12 4 238 |k168 9 7 | 2358 238 256 | | 39 g69 5 | 48 2 h36 | 1 7 48 | |m17 26 378 | 148 5 13 | 348 9 26 | +------------------+-----------------+--------------------+ | 26 7 236 | 9 8 4 | 235 1 25 | | 8 1 29 | 3 6 5 | 29 4 7 | | 39 5 4 | 7 1 2 | 6 38 389 | +------------------+-----------------+--------------------+

(5)r2c1 = (5-4)r1c1 = (4-9)r1c9 = r3c7 - (9*)r3c3 = r1c2 - (9=6)r5c2 - r5c6 = (6*)r3c6 - r23c4 = (6-1)r4c4 = r4c1 - (1=7)r6c1 => -7 r2c1, -6 r3c3*; stte

Cenoman

by **ArkieTech** » Mon Jan 16, 2017 12:28 am

Code: Select all: *-----------------------------------------------------------* | 245 a29 1 | 25 3 8 | 7 6 49 | | 567 3 67 | 56 4 9 | 28 28 1 | |*246 8 26-9 | 126 7 16 |b349 5 b349 | |-------------------+-------------------+-------------------| | 12 4 238 | 168 9 7 | 2358 238 256 | | 39 69 5 | 48 2 36 | 1 7 48 | | 17 26 378 | 148 5 13 | 348 9 26 | |-------------------+-------------------+-------------------| |c26 7 236 | 9 8 4 | 235 1 25 | | 8 1 c29 | 3 6 5 | 29 4 7 | | 39 5 4 | 7 1 2 | 6 38 389 | *-----------------------------------------------------------* [2r3c1-(2=9)r1c3 4r3c1-(4=9)r3c79 6r3c1-(6=9)c7p16]-9r3c4; ste

by **JC Van Hay** » Mon Jan 16, 2017 7:12 am

Steve's and dan's step can be written like

Code: Select all: +-------------------+------------+-------------------+ | 245 (29) 1 | 25 3 8 | 7 6 49 | | 567 3 67 | 56 4 9 | 28 28 1 | | (246) 8 26-9 | 126 7 16 | (349) 5 (349) | +-------------------+------------+-------------------+ | 12 4 238 | 168 9 7 | 2358 238 256 | | 39 69 5 | 48 2 36 | 1 7 48 | | 17 26 378 | 148 5 13 | 348 9 26 | +-------------------+------------+-------------------+ | (26) 7 236 | 9 8 4 | 235 1 25 | | 8 1 (29) | 3 6 5 | 29 4 7 | | 39 5 4 | 7 1 2 | 6 38 389 | +-------------------+------------+-------------------+

NT(349)r3c179=*WWing(29)r1c2.r8c3,2r3c1==*2r7c1 -> [9r3c79==9r1c2==9r8c3]-9r3c3; stte

by **pjb** » Mon Jan 16, 2017 10:38 am

Code: Select all: *245 d9-2 1 |*25 3 8 | 7 6 49 567 3 67 | 56 4 9 | 28 28 1 *246 8 c269 |*126 7 16 | 349 5 349 ------------------------+----------------------+--------------------- 12 4 238 | 168 9 7 | 2358 238 256 39 69 5 | 48 2 36 | 1 7 48 17 e26 378 | 148 5 13 | 348 9 26 ------------------------+----------------------+--------------------- a26 7 236 | 9 8 4 | 235 1 25 8 1 b29 | 3 6 5 | 29 4 7 39 5 4 | 7 1 2 | 6 38 389

Kraken x-wing of 2s at r13c14, fin at r7c1: (6=2)r7c1 - (2=9)r8c3 - r3c3 = (9-2)r1c2 = (2)r6c2 => -2 r1c2; stte

Phil

by **eleven** » Mon Jan 16, 2017 1:37 pm

Code: Select all: *-----------------------------------------------* | 25-4 a29 1 | 25 3 8 | 7 6 a49 | | 567 3 67 | 56 4 9 | 28 28 1 | |#26+4 8 #269 | 126 7 16 | 349 5 349 | |----------------+------------+-----------------| | 12 4 238 | 168 9 7 | 2358 238 256 | | 39 69 5 | 48 2 36 | 1 7 48 | | 17 26 378 | 148 5 13 | 348 9 26 | |----------------+------------+-----------------| |#26 7 236 | 9 8 4 | 235 1 25 | | 8 1 #29 | 3 6 5 | 29 4 7 | | 39 5 4 | 7 1 2 | 6 38 389 | *----------------------------------------------*

Almost pattern (xyz wing hybrid or almost xy-wing) 269 => 2r3c13 [(26=9)r3c13-(9=6)r7c1,r8c3-(6=2)r3c1]
4r3c1=(pattern 269 r3c13,r7c1,r8c3)2r3c13-(2=4)r1c29 => -4r1c1, stte

by **bat999** » Mon Jan 16, 2017 2:37 pm

Code: Select all: .------------------.--------------.-------------------. | 25-4 e29 1 | e25 3 8 | 7 6 e49 | | 567 3 d67 | d56 4 9 | 28 28 1 | | a246 8 a269 | a126 7 a16 | 39-4 5 39-4 | :------------------+--------------+-------------------: | 12 4 c238 | 168 9 7 | 2358 238 256 | | 39 69 5 | 48 2 36 | 1 7 48 | | 17 26 c378 | 148 5 13 | 348 9 26 | :------------------+--------------+-------------------: | b26 7 b236 | 9 8 4 | 235 1 25 | | 8 1 b29 | 3 6 5 | 29 4 7 | | 39 5 4 | 7 1 2 | 6 38 389 | '------------------'--------------'-------------------'

(4=9)r3c1346 - (9=23)r7c13,r8c3 - (2|3=7)r46c3 - (7=5)r2c34 - (5=4)r1c249 => -4 r1c1,r3c79; stte

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