The New Sudoku Players' Forum

by **ArkieTech** » Thu Feb 19, 2015 2:38 am

Code: Select all: *-----------* |3.7|49.|.8.| |...|...|14.| |1..|6..|...| |---+---+---| |..6|.5.|...| |49.|.6.|.58| |...|3.8|..1| |---+---+---| |.8.|.23|.94| |.3.|...|...| |5..|..4|..7| *-----------*

by **Leren** » Thu Feb 19, 2015 3:17 am

Code: Select all: *--------------------------------------------------------------* | 3 256 7 | 4 9 1 | 25 8 256 | | 69 256 289 | 278 g38-7 a257 | 1 4 f23569 | | 1 4 289 | 6 38 25 | 2357 237 2359 | |--------------------+--------------------+--------------------| | 8 1 6 |c27 5 9 | 4 d237 e23 | | 4 9 3 | 1 6 b27 | 27 5 8 | | 2 7 5 | 3 4 8 | 9 6 1 | |--------------------+--------------------+--------------------| | 67 8 1 | 57 2 3 | 56 9 4 | | 79 3 4 | 5789 178 6 | 258 12 25 | | 5 26 29 | 89 18 4 | 368 13 7 | *--------------------------------------------------------------*

(7) r2c6 = r5c6 - r4c4 = (7-3) r4c8 = r4c9 - r2c9 = (3) r2c5 => - 7 r2c5; stte

Leren

by **SteveG48** » Thu Feb 19, 2015 3:29 am

Code: Select all: *--------------------------------------------------------------------* | 3 256 7 | 4 9 1 |a25 8 256 | | 69 256 289 | 278 378 257 | 1 4 23569 | | 1 4 289 | 6 e38 25 | 235-7 f237 2359 | *----------------------+----------------------+----------------------| | 8 1 6 | 27 5 9 | 4 23-7 23 | | 4 9 3 | 1 6 27 |a27 5 8 | | 2 7 5 | 3 4 8 | 9 6 1 | *----------------------+----------------------+----------------------| | 67 8 1 | 57 2 3 |a56 9 4 | | 79 3 4 | 5789 178 6 |b258 c12 25 | | 5 26 29 | 89 d18 4 |b368 c13 7 | *--------------------------------------------------------------------*

(7=256)r157c7 - (256=38)r89c7 - (3=12*)r89c8 - (1=8)r9c5 - (8=3)r3c5 - (3*2=7)r3c8 => -7 r3c7,r4c8 ; stte

by **pjb** » Thu Feb 19, 2015 3:59 am

Code: Select all: 3 256 7 | 4 9 1 | 25 8 256 69 256 289 | 278 d378 257 | 1 4 c23569 1 4 289 | 6 38 25 | 2357 237 2359 ------------------------+----------------------+--------------------- 8 1 6 |a27 5 9 | 4 237 b23 4 9 3 | 1 6 27 | 27 5 8 2 7 5 | 3 4 8 | 9 6 1 ------------------------+----------------------+--------------------- 67 8 1 | 5-7 2 3 | 56 9 4 79 3 4 | 589-7 e178 6 | 258 12 25 5 26 29 | 89 18 4 | 368 13 7

(7=2)r4c4 - (2=3)r4c9 - r2c9 = (3-7)r2c5 = r8c5 => -7 r78c4; stte

Phil

by **Leren** » Thu Feb 19, 2015 6:28 am

Code: Select all: *--------------------------------------------------------------* | 3 69 1 | 8 4 2 | 67 79 5 | | 256 256 4 | 1 9 7 | 8 3 26 | | 7 289 289 | 6 3 5 | 1 4 29 | |--------------------+--------------------+--------------------| | 4 278 6 |a27 1 3 |b57 b5789 b89 | | 9 378 38 | 5 6 4 | 2 178 c18 | | 1 257 25 | 9 27 8 | 3 6 4 | |--------------------+--------------------+--------------------| | 25 1 2357 | 4 27 9 | 56 258 368 | | 8 4 237 | 27-3 5 6 | 9 12 c13 | | 256 23569 2359 |a23 8 1 | 4 25 7 | *--------------------------------------------------------------*

ALS XY Wing: (3=7) r49c4 - (7=8) r4c789 - (8=3) r58c9 => - 3 r8c4; stte

Leren

by **gurth** » Thu Feb 19, 2015 7:05 am

by **Ngisa** » Thu Feb 19, 2015 5:29 pm

Code: Select all: +------------+--------------+----------------+ | 3 256 7 | 4 9 1 | 25 8 256 | | 69 256 289 | 27-8 378 257 | 1 4 c23569 | | 1 4 289 | 6 a38 25 | b2357 b237 b2359 | +------------+--------------+----------------+ | 8 1 6 | e27 5 9 | 4 237 d23 | | 4 9 3 | 1 6 27 | 27 5 8 | | 2 7 5 | 3 4 8 | 9 6 1 | +------------+--------------+----------------+ | 67 8 1 | f57 2 3 | 56 9 4 | | 79 3 4 | g5789 17-8 6 | 258 12 25 | | 5 26 29 | g89 1-8 4 | 368 13 7 | +------------+--------------+----------------+

(8=3)r3c5-r3c789=r2c9-(3=2)r4c9-(2=7*)r4c4-(7=5*)r7c4-(5*7*=89)r89c4 = -8r89c5,r2c4; stte

February 19, 2015