The New Sudoku Players' Forum

by **ArkieTech** » Sun Feb 23, 2014 12:15 am

Code: Select all: *-----------* |4.2|5..|.8.| |.9.|.7.|5..| |..3|...|..4| |---+---+---| |.4.|8..|7.5| |...|...|...| |6.8|..1|.9.| |---+---+---| |9..|...|6..| |..7|.2.|.4.| |.5.|..6|3.7| *-----------*

by **Leren** » Sun Feb 23, 2014 12:34 am

Code: Select all: *-----------------------------------------------------------------------* | 4 7 2 | 5 139 b39 |c19 8 6 | | 18 9 6 | 124 7 248 | 5 123 123 | | 5 18 3 | 1269 169 289 |d129 7 4 | |-----------------------+-----------------------+-----------------------| | 123 4 9 | 8 36 a23 | 7 136-2 5 | | 7 123 5 | 3469-2 3469 349-2 |e128 1236 1238 | | 6 23 8 | 7 5 1 | 4 9 23 | |-----------------------+-----------------------+-----------------------| | 9 238 14 | 134 1348 7 | 6 5 128 | | 38 6 7 | 13 2 5 | 18 4 9 | | 28 5 14 | 149 1489 6 | 3 12 7 | *-----------------------------------------------------------------------*

(2=3) r4c6 - (3=9) r1c6 - r1c7 = (9-2) r3c7 = (2) r5c7 => - 2 r4c8, r5c46; stte

Leren

by **SteveG48** » Sun Feb 23, 2014 1:16 am

Code: Select all: *--------------------------------------------------------------------* | 4 7 2 | 5 139 39 | 19 8 6 | |g18 9 6 | 124 7 248 | 5 bf123 f123 | | 5 18 3 | 1269 169 289 | 129 7 4 | *----------------------+----------------------+----------------------| | 123 4 9 | 8 36 23 | 7 1236 5 | | 7 123 5 | 23469 3469 2349 | 128 1236 1238 | | 6 d23 8 | 7 5 1 | 4 9 e23 | *----------------------+----------------------+----------------------| | 9 c238 14 | 134 1348 7 | 6 5 b128 | | 38 6 7 | 13 2 5 | 18 4 9 | |h28 5 14 | 149 1489 6 | 3 a1-2 7 | *--------------------------------------------------------------------*

(2)r9c8 - r2c8|r7c9 = r7c2 - r6c2 = r6c9 - (2=13)r2c89 - (1=8)r2c1 - (8=2)r9c1 => -2 r9c8 ; stte

by **tlanglet** » Sun Feb 23, 2014 3:16 pm

Code: Select all: *--------------------------------------------------------------------* | 4 7 2 | 5 139 39 | 19 8 6 | |h18 9 6 | 124 7 248 | 5 g123 g123 | | 5 18 3 | 1269 169 289 |f129 7 4 | |----------------------+----------------------+----------------------| |b123 4 9 | 8 36 23 | 7 1236 5 | | 7 123 5 | 23469 3469 2349 |e128 1236 1238 | | 6 c23 8 | 7 5 1 | 4 9 d23 | |----------------------+----------------------+----------------------| | 9 238 14 | 134 1348 7 | 6 5 128 | | 38 6 7 | 13 2 5 | 18 4 9 | |a2-8 5 14 | 149 1489 6 | 3 12 7 | *--------------------------------------------------------------------*

All over the grid......

2r9c1=2r4c1-r6c2=r6c9-r5c7=r3c7-(2=13)r2c89-(1=8)r2c1 => r9c1<>8

Ted

by **Marty R.** » Sun Feb 23, 2014 5:57 pm

Code: Select all: +------------+-----------------+---------------+ | 4 7 2 | 5 139 39 | 19 8 6 | | 18 9 6 | 1234 7 248 | 5 123 123 | | 5 18 3 | 1269 169 289 | 129 7 4 | +------------+-----------------+---------------+ | 123 4 9 | 8 36 23 | 7 1236 5 | | 7 123 5 | 23469 3469 2349 | 128 1236 1238 | | 6 23 8 | 7 5 1 | 4 9 23 | +------------+-----------------+---------------+ | 9 238 14 | 134 1348 7 | 6 5 128 | | 38 6 7 | 13 2 5 | 18 4 9 | | 28 5 14 | 149 1489 6 | 3 12 7 | +------------+-----------------+---------------+

Play this puzzle online at the Daily Sudoku site

XY-Wing (12-8), pivot r9c8=>r8c1<>8

Code: Select all: +-----------+-----------------+--------------+ | 4 7 2 | 5 139 39 | 19 8 6 | | 18 9 6 | 234 7 248 | 5 123 123 | | 5 18 3 | 269 169 289 | 129 7 4 | +-----------+-----------------+--------------+ | 12 4 9 | 8 36 23 | 7 1236 5 | | 7 123 5 | 23469 3469 2349 | 12 1236 8 | | 6 23 8 | 7 5 1 | 4 9 23 | +-----------+-----------------+--------------+ | 9 28 14 | 34 348 7 | 6 5 12 | | 3 6 7 | 1 2 5 | 8 4 9 | | 28 5 14 | 49 489 6 | 3 12 7 | +-----------+-----------------+--------------+

Play this puzzle online at the Daily Sudoku site

W-Wing (12), b46, SL2 in r6=>r5c2,r4c8<>1

February 23, 2014