The New Sudoku Players' Forum

by **ArkieTech** » Fri Mar 23, 2018 1:08 pm

Code: Select all: *-----------* |.2.|..7|4.6| |4..|.8.|..5| |...|...|..8| |---+---+---| |39.|7..|.2.| |...|..6|...| |...|...|.9.| |---+---+---| |.87|.1.|..9| |2..|..3|...| |.6.|.4.|...| *-----------*

by **Cenoman** » Fri Mar 23, 2018 2:27 pm

Code: Select all: +-------------------+-----------------------+-------------------+ | 89 2 158 | 1359 B39 7 | 4 A13 6 | | 4 137* 6 | 1239 8 C19 | 29 137* 5 | | a79 137* 15 | 123459 6 1459 | 29 137* 8 | +-------------------+-----------------------+-------------------+ | 3 9 c18 | 7 5 8-1 | 6 2 4 | | b78 157 24 | 49 29 6 | 158 58 3 | | 6 15 24 | 1348 23 148 | 158 9 7 | +-------------------+-----------------------+-------------------+ | 5 8 7 | 6 1 2 | 3 4 9 | | 2 4 9 | 58 7 3 | 58 6 1 | | 1 6 3 | 589 4 589 | 7 58 2 | +-------------------+-----------------------+-------------------+

UR(37)r23c28 using externals
(7)r3c1 - (7=8)r5c1 - (8=1)r4c3
(3)r1c8 - (3=9)r1c5 - (9=1)r2c4
=>-1 r4c6; stte

by **SteveG48** » Fri Mar 23, 2018 3:11 pm

Code: Select all: *-----------------------------------------------------------------------------* | 89 2 158 | 1359 39 7 | 4 13 6 | | 4 137 6 | 1239 8 a19 |b29 137 5 | |d79 137 15 | 123459 6 1459 |c29 137 8 | *-------------------------+-------------------------+-------------------------| | 3 9 1-8 | 7 5 a18 | 6 2 4 | |d78 157 24 | 49 29 6 | 158 58 3 | | 6 15 24 | 1348 23 148 | 158 9 7 | *-------------------------+-------------------------+-------------------------| | 5 8 7 | 6 1 2 | 3 4 9 | | 2 4 9 | 58 7 3 | 58 6 1 | | 1 6 3 | 589 4 589 | 7 58 2 | *-----------------------------------------------------------------------------*

(8=19)r24c6 - 9r2c7 = r3c7 - (9=78)r35c1 => -8 r4c3 ; stte

by **Ngisa** » Fri Mar 23, 2018 4:32 pm

Code: Select all: +-----------------------+----------------------------+----------------------+ | 89 2 158 | 1359 e39 7 | 4 13 6 | | 4 137 6 | 1239 8 d19 | 29 137 5 | | 79 137 a15 | 123459 6 i149-5| 29 137 8 | +-----------------------+----------------------------+----------------------+ | 3 9 b18 | 7 5 c18 | 6 2 4 | | 78 157 24 | 13489 239 6 | 158 58 37 | | 678 157 g24 | 1348 f23 h148 | 158 9 37 | +-----------------------+----------------------------+----------------------+ | 5 8 7 | 6 1 2 | 3 4 9 | | 2 4 9 | 58 7 3 | 58 6 1 | | 1 6 3 | 589 4 589 | 7 58 2 | +-----------------------+----------------------------+----------------------+

(5=1)r3c3 - (1=8)r4c3 - (8=1)r4c6 - (1=9)r2c6 - (9=3)r1c5 - (3=2)r6c5 - (2=4)r6c3 - r6c6 = (4)r3c6 => -5 r3c6; stte

Clement

by **Marty R.** » Fri Mar 23, 2018 5:14 pm

Code: Select all: ┌──────────────────────────┬──────────────────────────┬──────────────────────────┐ │ 89 2 158 │ 1359 39 7 │ 4 13 6 │ │ │ │ │ │ 4 137 6 │ 1239 8 19 │ 29 137 5 │ │ │ │ │ │ 79 137 15 │ 123459 6 1459 │ 29 137 8 │ ├──────────────────────────┼──────────────────────────┼──────────────────────────┤ │ 3 9 18 │ 7 5 18 │ 6 2 4 │ │ │ │ │ │ 78 157 24 │ 49 29 6 │ 158 58 3 │ │ │ │ │ │ 6 15 24 │ 1348 23 148 │ 158 9 7 │ ├──────────────────────────┼──────────────────────────┼──────────────────────────┤ │ 5 8 7 │ 6 1 2 │ 3 4 9 │ │ │ │ │ │ 2 4 9 │ 58 7 3 │ 58 6 1 │ │ │ │ │ │ 1 6 3 │ 589 4 589 │ 7 58 2 │ └──────────────────────────┴──────────────────────────┴──────────────────────────┘

XY-Chain (8=7)r5c1-(7=92)r3c17-(2=91)r2c76-(1=8)r4c6=> -8r4c3

by **pjb** » Fri Mar 23, 2018 10:10 pm

Code: Select all: a89 2 b158 | 135-9 3-9 7 | 4 13 6 4 137 6 | 1239 8 e19 | 29 137 5 79 137 15 | 123459 6 1459 | 29 137 8 ------------------------+----------------------+--------------------- 3 9 c18 | 7 5 d18 | 6 2 4 78 157 24 | 49 29 6 | 158 58 3 6 15 24 | 1348 23 148 | 158 9 7 ------------------------+----------------------+--------------------- 5 8 7 | 6 1 2 | 3 4 9 2 4 9 | 58 7 3 | 58 6 1 1 6 3 | 589 4 589 | 7 58 2

(9=8)r1c1 - r1c3 = r4c3 - (8=1)r4c6 - (1=9)r2c6 => -9 r1c45; stte

Phil

March 23, 2018