The New Sudoku Players' Forum

by **ArkieTech** » Wed Mar 07, 2018 1:25 pm

Code: Select all: *-----------* |4..|...|..3| |.1.|.3.|.5.| |..6|2.4|1..| |---+---+---| |..5|7.1|3..| |...|.9.|...| |..9|3.2|6..| |---+---+---| |..4|6.5|8..| |.2.|.7.|.4.| |8..|...|..1| *-----------*

by **200e200w** » Wed Mar 07, 2018 3:05 pm

Code: Select all: .---------------------.------------------.---------------------. | 4 5789 278 | 1589 1568 6789 | 279 26789 3 | | 279 1 278 |g89 3 a679-8| 2479 5 b246789 | |e3579 35789 6 | 2 f58 4 | 1 789 789 | :---------------------+------------------+---------------------: | 26 468 5 | 7 i468 1 | 3 289 2489 | | 12367 34678 12378 |i458 9 j8-6 | 2457 1278 24578 | | 17 478 9 | 3 i458 2 | 6 178 4578 | :---------------------+------------------+---------------------: | 1379 379 4 | 6 h12 5 | 8 237 27 | |d56 2 13 |h18 7 38 | 59 4 c569 | | 8 56 37 |h49 h24 39 | 257 2367 1 | '---------------------'------------------'---------------------' (6)r2c6 = r2c9 - r8c9 = (6-5)r8c1 = r3c1 - (5=8*)r3c5 - (8=9)r2c6 - (9=8124)b8p2478 - 8r5c4|r46c5* = r5c6 => -6 r5c6, -8 r2c6; stte

There are simpler solutions, but I did not want to waste time and decided to post this.
200e200w

by **Cenoman** » Wed Mar 07, 2018 3:36 pm

Code: Select all: +--------------------------+-----------------------+--------------------------+ | 4 5789 278 | g1589 g1568 6789 | 279 26789 3 | | 279 1 278 | 89 3 a6789 | 2479 5 b246789 | | e3579 35789 6 | 2 f58 4 | 1 789 789 | +--------------------------+-----------------------+--------------------------+ | 26 468 5 | 7 h468 1 | 3 289 2489 | | 12367 34678 12378 | 458 9 8-6 | 2457 1278 24578 | | 17 478 9 | 3 458 2 | 6 178 4578 | +--------------------------+-----------------------+--------------------------+ | 1379 379 4 | 6 12 5 | 8 237 27 | | d56 2 13 | 18 7 38 | 59 4 c569 | | 8 56 37 | 49 24 39 | 257 2367 1 | +--------------------------+-----------------------+--------------------------+

(6)r2c6 = r2c9 - r8c9 = (6-5)r8c1 = r3c1 - r3c5 = (51-6)r1c45 = (6)r4c5 => -6 r5c6; stte

by **SteveG48** » Wed Mar 07, 2018 5:08 pm

Code: Select all: *-----------------------------------------------------------------------------* | 4 b5789 278 |b1589 b158-6 6789 | 279 e26789 3 | | 279 1 278 | 89 3 6789 | 2479 5 246789 | | 3579 35789 6 | 2 58 4 | 1 789 789 | *-------------------------+-------------------------+-------------------------| | 26 468 5 | 7 a468 1 | 3 289 2489 | | 12367 34678 12378 | 458 9 68 | 2457 1278 24578 | | 17 478 9 | 3 458 2 | 6 178 4578 | *-------------------------+-------------------------+-------------------------| | 1379 379 4 | 6 12 5 | 8 237 27 | | 56 2 13 | 18 7 38 | 59 4 569 | | 8 c56 37 | 49 24 39 | 257 d2367 1 | *-----------------------------------------------------------------------------*

6r4c5 = (156)r1c245 - (5=6)r9c2 - r9c8 = r1c8 => -6 r1c5 ; stte

by **pjb** » Wed Mar 07, 2018 10:50 pm

Code: Select all: 4 5789 278 | 1589 158-6 f6789 | 279 a26789 3 279 1 278 |f89 3 f6789 | 2479 5 b246789 e3579 35789 6 | 2 f58 4 | 1 789 789 ------------------------+----------------------+--------------------- 26 468 5 | 7 468 1 | 3 289 2489 12367 34678 12378 | 458 9 68 | 2457 1278 24578 17 478 9 | 3 458 2 | 6 178 4578 ------------------------+----------------------+--------------------- 1379 379 4 | 6 12 5 | 8 237 27 d56 2 13 | 18 7 38 | 59 4 c569 8 56 37 | 49 24 39 | 257 2367 1

(6)r1c8 = r2c9 - r8c9 = (6-5)r8c1 = r3c1 - (5=6789)r1c6, r2c46, r3c5 => -6 r1c5; stte

Phil

March 7, 2018