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by **ArkieTech** » Mon Nov 11, 2013 12:20 am

Code: Select all: *-----------* |..9|.4.|3..| |.4.|869|.5.| |7..|...|..4| |---+---+---| |...|196|...| |65.|...|.19| |...|285|...| |---+---+---| |4..|...|..1| |.2.|418|.7.| |..7|.5.|2..| *-----------*

by **Leren** » Mon Nov 11, 2013 1:07 am

Code: Select all: *---------------------------------------------------------------* | 158-2 b168 9 | 57 4 127 | 3 b268 b268 | |a123 4 a13 | 8 6 9 | 17 5 7-2 | | 7 168 1568 | 35 23 12 | 169 2689 4 | |---------------------+--------------------+--------------------| | 38 378 348 | 1 9 6 | 457 23 2357 | | 6 5 2 | 37 37 4 | 8 1 9 | | 139 1379 134 | 2 8 5 | 467 36 367 | |---------------------+--------------------+--------------------| | 4 3689 3568 | 69 27 27 | 569 3689 1 | | 359 2 356 | 4 1 8 | 569 7 356 | | 189 1689 7 | 69 5 3 | 2 4 68 | *---------------------------------------------------------------*

ALS XZ Rule X = 1 Z = 2: (2=1) r2c13 - (1=2) r1c289 => - 2 r1c1, r2c9; lclste

Leren

by **pjb** » Mon Nov 11, 2013 3:12 am

Code: Select all: 1258 b168 9 | 57 4 127 | 3 b268 b268 23-1 4 3-1 | 8 6 9 |a17 5 a27 7 168 1568 | 35 23 12 | 169 2689 4 ---------------------+----------------------+--------------------- 38 378 348 | 1 9 6 | 457 23 2357 6 5 2 | 37 37 4 | 8 1 9 139 1379 134 | 2 8 5 | 467 36 367 ---------------------+----------------------+--------------------- 4 3689 3568 | 69 27 27 | 569 3689 1 359 2 356 | 4 1 8 | 569 7 356 189 1689 7 | 69 5 3 | 2 4 68

Apologies, a bit of a me-too:
ALS XZ Rule X = 2 Z = 1: (1=2) r2c79 - (2=1) r1c289 => - 1 r2c1, r2c3; lclste
Phil

by **ArkieTech** » Mon Nov 11, 2013 11:37 am

me too

Code: Select all: *-----------------------------------------------------------* | 1258 b168 9 | 57 4 127 | 3 a268 a268 | | 23-1 4 3-1 | 8 6 9 |a17 5 a27 | | 7 168 1568 | 35 23 12 | 169 2689 4 | |-------------------+-------------------+-------------------| | 38 378 348 | 1 9 6 | 457 23 2357 | | 6 5 2 | 37 37 4 | 8 1 9 | | 139 1379 134 | 2 8 5 | 467 36 367 | |-------------------+-------------------+-------------------| | 4 3689 3568 | 69 27 27 | 569 3689 1 | | 359 2 356 | 4 1 8 | 569 7 356 | | 189 1689 7 | 69 5 3 | 2 4 68 | *-----------------------------------------------------------* (1=68)r2c79,r1c89-(68=1)r1c2 => -1r2c13; lclste

by **tlanglet** » Mon Nov 11, 2013 2:22 pm

Code: Select all: *-----------------------------------------------------------* |e1258 168 9 | 57 4 127 | 3 268 268 | |f123 4 13 | 8 6 9 |a1-7 5 g27 | | 7 168 d1568 |c35 c23 c12 |b169 2689 4 | |-------------------+-------------------+-------------------| | 38 378 348 | 1 9 6 | 457 23 2357 | | 6 5 2 | 37 37 4 | 8 1 9 | | 139 1379 134 | 2 8 5 | 467 36 367 | |-------------------+-------------------+-------------------| | 4 3689 3568 | 69 27 27 | 569 3689 1 | | 359 2 356 | 4 1 8 | 569 7 356 | | 189 1689 7 | 69 5 3 | 2 4 68 | *-----------------------------------------------------------*

1r2c7=1r3c7-(1=235)r3c654-5r3c3=(5-2)r1c1=2r2c1-(2=7)r2c9 => r2c7<>7

Ted

by **Marty R.** » Mon Nov 11, 2013 5:25 pm

Code: Select all: +----------------+-----------+---------------+ | 1258 168 9 | 57 4 127 | 3 268 268 | | 123 4 13 | 8 6 9 | 17 5 27 | | 7 168 1568 | 35 23 12 | 169 2689 4 | +----------------+-----------+---------------+ | 38 378 348 | 1 9 6 | 457 23 2357 | | 6 5 2 | 37 37 4 | 8 1 9 | | 139 1379 134 | 2 8 5 | 467 36 367 | +----------------+-----------+---------------+ | 4 3689 3568 | 69 27 27 | 569 3689 1 | | 359 2 356 | 4 1 8 | 569 7 356 | | 189 1689 7 | 69 5 3 | 2 4 68 | +----------------+-----------+---------------+

Play this puzzle online at the Daily Sudoku site

Similar or same.

(1=7)r2c7-(7=2)r2c9-(268=1)r1c892=>r2c13<>1

Dan's Demander November 11, 2013