The New Sudoku Players' Forum

by **ArkieTech** » Tue Dec 19, 2017 11:17 pm

Code: Select all: *-----------* |...|8..|...| |..7|..6|.9.| |.32|...|...| |---+---+---| |...|...|.57| |89.|.7.|...| |1..|.6.|...| |---+---+---| |5..|.9.|1..| |...|5..|.42| |7..|.8.|...| *-----------*

by **Leren** » Tue Dec 19, 2017 11:28 pm

Code: Select all: *--------------------------------------------* | 69 5 1 | 8 24 c39 | 7 236 346 | | 4 8 7 | 13 25 6 | 235 9 135 | | 69 3 2 | 7 45 b19 | 456 168 14568 | |---------+---------------+------------------| | 2 4 6 | 19 3 a18 | 9-8 5 7 | | 8 9 35 | 24 7 245 | 2346 1236 1346 | | 1 7 35 | 249 6 2458 | 234 238 3489 | |---------+---------------+------------------| | 5 2 48 |e346 9 d34 | 1 7 e368 | | 3 6 89 | 5 1 7 |f89 4 2 | | 7 1 49 | 2346 8 234 | 356 36 3569 | *--------------------------------------------*

(8=1) r4c6 - (1=9) r3c6 - (9=3) r1c6 - r7c6 = (36-8) r7c49 = (8) r8c7 => - 8 r4c7; stte

Leren

by **pjb** » Tue Dec 19, 2017 11:38 pm

Code: Select all: 69 5 1 | 8 24 9-3 | 7 236 346 4 8 7 |a13 25 6 | 235 9 135 69 3 2 | 7 45 19 | 456 168 14568 ------------------------+----------------------+--------------------- 2 4 6 |b19 3 18 |c89 5 7 8 9 35 | 24 7 245 | 2346 1236 1346 1 7 35 | 249 6 2458 | 234 238 3489 ------------------------+----------------------+--------------------- 5 2 f48 | 46-3 9 g34 | 1 7 368 3 6 e89 | 5 1 7 |d89 4 2 7 1 49 | 246-3 8 234 | 356 36 3569

(3=1)r2c4 - (1=9)r4c4 - (9=8)r4c7 - (8=9)r8c7 - (9=8)r8c3 - (8=4)r7c3 - (4=3)r7c6 => -3 r1c6, r79c4; stte

Phil

by **SteveG48** » Wed Dec 20, 2017 12:46 am

Code: Select all: *---------------------------------------------------------------------* | 69 5 1 | 8 24 b39 | 7 236 346 | | 4 8 7 | 13 25 6 | 235 9 135 | | 69 3 2 | 7 45 b19 | 456 168 14568 | *----------------------+----------------------+-----------------------| | 2 4 6 | 1-9 3 a18 |ae89 5 7 | | 8 9 35 | 24 7 245 | 2346 1236 1346 | | 1 7 35 | 249 6 2458 | 234 238 348-9 | *----------------------+----------------------+-----------------------| | 5 2 c48 | 346 9 b34 | 1 7 368 | | 3 6 c89 | 5 1 7 | d8-9 4 2 | | 7 1 49 | 2346 8 234 | 356 36 3569 | *---------------------------------------------------------------------*

(9=18)r4c67 - (1=349)r137c6 - (4=89)r78c3 - 9r8c7 = 9r4c7 => -9 r4c4,r6c9,r8c7 ; stte

by **Marty R.** » Wed Dec 20, 2017 1:46 am

Code: Select all: ┌───────────────────────┬───────────────────────┬───────────────────────┐ │ 69 5 1 │ 8 24 39 │ 7 236 346 │ │ │ │ │ │ 4 8 7 │ 13 25 6 │ 235 9 135 │ │ │ │ │ │ 69 3 2 │ 7 45 19 │ 456 168 14568 │ ├───────────────────────┼───────────────────────┼───────────────────────┤ │ 2 4 6 │ 19 3 18 │ 89 5 7 │ │ │ │ │ │ 8 9 35 │ 24 7 245 │ 2346 1236 1346 │ │ │ │ │ │ 1 7 35 │ 249 6 2458 │ 234 238 3489 │ ├───────────────────────┼───────────────────────┼───────────────────────┤ │ 5 2 48 │ 346 9 34 │ 1 7 368 │ │ │ │ │ │ 3 6 89 │ 5 1 7 │ 89 4 2 │ │ │ │ │ │ 7 1 49 │ 2346 8 234 │ 356 36 3569 │ └───────────────────────┴───────────────────────┴───────────────────────┘

(3=4)r7c6-(4=89)r78c3-(9=8)r7c7-(8=91)r4c74-(1=3)r2c4=> -3r1c6

by **eleven** » Wed Dec 20, 2017 7:20 am

Code: Select all: *--------------------------------------------------------------* | 69 5 1 | 8 24 c39 | 7 236 346 | | 4 8 7 | 13 25 6 | 235 9 135 | | 69 3 2 | 7 45 c19 | 456 168 14568 | |---------------+---------------------+------------------------| | 2 4 6 | 19 3 c18 | d89* 5 7 | | 8 9 35 | 24 7 245 | 2346 1236 1346 | | 1 7 35 | 249 6 2458 | 234 238 3489 | |---------------+---------------------+------------------------| | 5 2 b48 | 346 9 c34 | 1 7 368 | | 3 6 a89* | 5 1 7 | 8-9 4 2 | | 7 1 49 | 2346 8 234 | 356 36 3569 | *--------------------------------------------------------------*

Kind of w-wing with "strong link" 8r7c3=8r4c7
(9=8)r8c3-(8=4)r7c3-(4=8)r1347c6 -(8=9)r4c7 => -9r8c7, stte

by **Cenoman** » Wed Dec 20, 2017 10:08 am

Code: Select all: +-----------------+---------------------+------------------------+ | 69 5 1 | 8 24 c39 | 7 236 346 | | 4 8 7 | 13 25 6 | 235 9 135 | | 69 3 2 | 7 45 c19 | 456 168 14568 | +-----------------+---------------------+------------------------+ | 2 4 6 | 19 3 c18 | d89 5 7 | | 8 9 35 | 24 7 245 | 2346 1236 1346 | | 1 7 35 | 249 6 2458 | 234 238 3489 | +-----------------+---------------------+------------------------+ | 5 2 48 | a346 9 b34 | 1 7 a36-8 | | 3 6 89 | 5 1 7 | e89 4 2 | | 7 1 49 | 2346 8 234 | 356 36 3569 | +-----------------+---------------------+------------------------+

Almost hidden pair
HP(36)r7c49 = (3)r7c6 - (3=8)r134c6 - r4c7 = (8)r8c7 => -8 r7c9; stte

December 20, 2017