## Need Simpler Technique

Everything about Sudoku that doesn't fit in one of the other sections

### Need Simpler Technique

Code: Select all
` *-----------* |47.|..5|...| |..1|...|..2| |..8|.14|.5.| |---+---+---| |..2|1..|.6.| |9..|...|..3| |.6.|..8|2..| |---+---+---| |.1.|63.|8..| |5..|...|6..| |...|5..|.71| *-----------* # Original`

Code: Select all
`# after SSTS, my solver uses a Forcing Chain/Net on [r2c1] to get ...# [r1c4]=[r5c5]=2, [r5c6]=[r9c3]=6, [r1c5]<>9, [r3c9]<>9# four assignments and ten eliminations total *--------------------------------------------------------------------* | 4      7      369    | 2389   2689   5      | 139    1389   689    | |*36     5      1      | 3789   6789   3679   | 3479   3489   2      | | 236    239    8      | 379    1      4      | 379    5      679    | |----------------------+----------------------+----------------------| | 378    348    2      | 1      4579   379    | 4579   6      4789   | | 9      48     457    | 247    24567  267    | 1457   148    3      | | 1      6      3457   | 3479   4579   8      | 2      49     479    | |----------------------+----------------------+----------------------| | 27     1      479    | 6      3      279    | 8      249    5      | | 5      23489  3479   | 24789  24789  1      | 6      2349   49     | | 2368   23489  3469   | 5      2489   29     | 349    7      1      | *--------------------------------------------------------------------*`

There are many chains/loops possible. Do you see a really interesting one? Anything else that's simpler than my Forcing Chain/Net to advance this puzzle?

Ideally: simple chains/loops to show [r4c6]<>7|9 => [r4c6]=3 => Singles to solve puzzle
daj95376
2014 Supporter

Posts: 2624
Joined: 15 May 2006