The New Sudoku Players' Forum

by **ArkieTech** » Mon Feb 15, 2016 12:22 am

Code: Select all: *-----------* |...|3.8|...| |4..|...|9.1| |.2.|.6.|.7.| |---+---+---| |..6|.79|.3.| |3..|...|..5| |...|28.|6..| |---+---+---| |.1.|...|.5.| |7.5|.4.|..3| |...|8.7|...| *-----------*

by **Leren** » Mon Feb 15, 2016 12:43 am

Code: Select all: *--------------------------------------------------------------* | 16 67 17 | 3 9 8 | 5 24 24 | | 4 38 38 | 7 2 5 | 9 6 1 | | 5 2 9 | 14 6 14 | 3 7 8 | |--------------------+--------------------+--------------------| | 128 48 6 | 5 7 9 | 1248 3 24 | | 3 789 278 | 46 1 46 |c278 289 5 | | 19 5 e17-4 | 2 8 3 | 6 149 d79 | |--------------------+--------------------+--------------------| | 2689 1 a248 | 69 3 26 |b2478 5 679 | | 7 689 5 | 169 4 126 | 28 289 3 | | 269 3469 234 | 8 5 7 | 124 1249 69 | *--------------------------------------------------------------*

L2 Wing : (4) r7c3 = (4-7) r7c7 = r5c7 - r6c9 = (7) r6c3 => - 4 r6c3; lclste

Leren

by **SteveG48** » Mon Feb 15, 2016 3:49 am

Code: Select all: *-----------------------------------------------------------* | 16 67 17 | 3 9 8 | 5 24 24 | | 4 38 38 | 7 2 5 | 9 6 1 | | 5 2 9 | 14 6 14 | 3 7 8 | *-------------------+-------------------+-------------------| |i128 g48 6 | 5 7 9 |h1248 3 h24 | | 3 789 278 | 46 1 46 |h278 289 5 | | 19 5 af147 | 2 8 3 | 6 149 b9-7 | *-------------------+-------------------+-------------------| |j2689 1 e248 |j69 3 j26 |d2478 5 cj679 | | 7 689 5 | 169 4 126 | 28 289 3 | | 269 3469 234 | 8 5 7 | 124 1249 69 | *-----------------------------------------------------------*

7r6c3 = (7*)r6c9 - r7c9 = (7-4)r7c7 = r7c3 - r6c3 = r4c2 - (4*7=128)b6p134 - (12=8)r4c1 - (8=2679)r7c1469 => -7 r6c9 ; stte

by **pjb** » Mon Feb 15, 2016 4:02 am

Code: Select all: 16 67 17 | 3 9 8 | 5 24 24 4 38 38 | 7 2 5 | 9 6 1 5 2 9 | 14 6 14 | 3 7 8 ------------------------+----------------------+--------------------- 128 48 6 | 5 7 9 | 1248 3 24 3 789 278 | 46 1 46 | 278 289 5 b19 5 17-4 | 2 8 3 | 6 b149 b79 ------------------------+----------------------+--------------------- a2689 1 a248 |a69 3 a26 | 2478 5 a679 7 689 5 | 169 4 126 | 28 289 3 269 3469 234 | 8 5 7 | 124 1249 69

(4=7)r7c13469 - (7=4)r6c189 => -4 r6c3; lclste

Phil

by **Ngisa** » Tue Feb 16, 2016 12:10 am

Code: Select all: +---------------+-----------+---------------+ | 16 67 17 | 3 9 8 | 5 24 24 | | 4 38 38 | 7 2 5 | 9 6 1 | | 5 2 9 | 14 6 14 | 3 7 8 | +---------------+-----------+---------------+ | 128 a48 6 | 5 7 9 | 128-4 3 2-4 | | 3 789 278 | 46 1 46 | e278 289 5 | | f19 5 147 | 2 8 3 | 6 f149 f79 | +---------------+-----------+---------------+ | 2689 1 248 | 69 3 26 | d2478 5 679 | | 7 689 5 | 169 4 126 | 28 289 3 | | 269 b3469 234 | 8 5 7 | c124 c1249 69 | +---------------+-----------+---------------+

(4)r4c2 = r9c2 - r9c78 = (4-7)r7c7 = r5c7 - (7=4)r6c189 => -4r4c79; lclste

Clement

by **Sudtyro2** » Tue Feb 16, 2016 3:34 pm

Code: Select all: *--------------------------------------------------------------* | 16 b67 b17 | 3 9 8 | 5 24 24 | | 4 38 38 | 7 2 5 | 9 6 1 | | 5 2 9 | 14 6 14 | 3 7 8 | |--------------------+--------------------+--------------------| | 128 48 6 | 5 7 9 | 1248 3 24 | | 3 789 278 | 46 1 46 | 278 289 5 | | 19 5 c147 | 2 8 3 | 6 149 9-7 | |--------------------+--------------------+--------------------| | 2689 1 d248 | 69 3 26 |e2478 5 f679 | | 7 a689 5 | 169 4 126 | 28 289 3 | | 269 3469 234 | 8 5 7 | 124 1249 69 | *--------------------------------------------------------------*

Another way (maybe) to get Steve's elimination...
ADP(146)r358c46, with single external 6r8c2.

Code: Select all: 6r8c2 – (6=71)r1c23 – 1r6c3 || 4r6c3 – r7c3 = (4-7)r7c7 = r7c9 – r6c9; stte || / 7r6c3 --------------------------

SteveC

February 15, 2016