The New Sudoku Players' Forum

by **Rovers_5** » Sat Dec 22, 2007 4:03 pm

totally stuck

Code: Select all: 7.9|..5|42. 8.4|2..|695 6..|9..|7.1 ---+---+--- ..7|382|.6. ..3|796|5.2 2.6|451|37. ---+---+--- 9..|...|..7 .7.|..9|..6 .61|5..|...

by **ArkieTech** » Sat Dec 22, 2007 4:33 pm

Code: Select all: *--------------------------------------------------------------------* | 7 13 9 | 168 136 5 | 4 2 38 | | 8 13 4 | 2 137 37 | 6 9 5 | | 6 235 25 | 9 34 348 | 7 38 1 | |----------------------+----------------------+----------------------| | 145 1459 7 | 3 8 2 | 19 6 49 | | 14 148 3 | 7 9 6 | 5 148 2 | | 2 89 6 | 4 5 1 | 3 7 89 | |----------------------+----------------------+----------------------| | 9 23458 258 | 168 12346 348 | 128 13458 7 | | 345 7 258 | 18 1234 9 | 128 13458 6 | | 34 6 1 | 5 2347 3478 | 289 348 3489 | *--------------------------------------------------------------------*

Look for a naked pair in column 2

dan

by **Rovers_5** » Sat Dec 22, 2007 4:44 pm

I know about the pairs in c2 and r3, removed some other numbers too...

Code: Select all: *--------------------------------------------------------------------* | 7 13 9 | 168 136 5 | 4 2 38 | | 8 13 4 | 2 137 37 | 6 9 5 | | 6 25 25 | 9 34 348 | 7 38 1 | |----------------------+----------------------+----------------------| | 145 1459 7 | 3 8 2 | 19 6 49 | | 14 148 3 | 7 9 6 | 5 148 2 | | 2 89 6 | 4 5 1 | 3 7 89 | |----------------------+----------------------+----------------------| | 9 2345 258 | 168 12346 348 | 128 1345 7 | | 345 7 258 | 18 1234 9 | 128 1345 6 | | 34 6 1 | 5 2347 3478 | 289 34 349 | *--------------------------------------------------------------------*

by **Ruud** » Sat Dec 22, 2007 4:54 pm

A naked pair in row 9 solves the puzzle.

Ruud

Could use some help here.