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by **ArkieTech** » Mon Sep 16, 2013 12:36 am

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

by **Leren** » Mon Sep 16, 2013 1:19 am

Code: Select all: *--------------------------------------------------------------* | 478 4678 679 | 3578 3789 1 | 34689 2 d34589 | | 278 2678 3 | 4 2789 5789 | 1 5689 589 | |b1248 5 129 | 238 6 389 |c3489 89 7 | |--------------------+--------------------+--------------------| | 2357 1 2567 | 23678 23789 36789 | 2389 4 3589 | | 2347 2347 8 | 1237 5 3479 | 239 19 6 | | 9 2346 256 | 12368 2348 3468 | 7 158 1358 | |--------------------+--------------------+--------------------| |a1378 9 17 | 3678 3478 2 | 5 1678 e48-1 | | 6 378 157 | 9 3478 34578 | 48 178 2 | | 2578 278 4 | 5678 1 5678 | 689 3 89 | *--------------------------------------------------------------*

L2 Wing: (1) r7c1 = (1-4) r3c1 = r3c7 - r1c9 = (4) r7c9 => - 1 r7c9; lclste

Leren

by **pjb** » Mon Sep 16, 2013 4:23 am

Code: Select all: 478 4678 679 | 3578 3789 1 | 34689 2 34589 278 2678 3 | 4 2789 5789 | 1 5689 589 1248 5 29-1 | 238 6 389 | 3489 89 7 ---------------------+----------------------+--------------------- 2357 1 2567 | 23678 23789 36789 | 2389 4 3589 2347 2347 8 | 1237 5 3479 | 239 19 6 9 2346 256 | 12368 2348 3468 | 7 158 1358 ---------------------+----------------------+--------------------- 38-17 9 a17 | 368-7 348-7 2 | 5 b1678 148 6 378 d157 | 9 3478 34578 | 48 c17-8 2 2578 278 4 | 5678 1 5678 | 689 3 89

Continuous nice loop: (1=7) r7c3 - r7c8 = (7-1) r8c8 = r8c3 - r7c3 => r7c145<>7, r3c3<>1, r7c1<>1, r8c8<>8; lclste

Phil

by **ArkieTech** » Mon Sep 16, 2013 11:00 am

Code: Select all: *--------------------------------------------------------------------* | 478 4678 679 | 3578 3789 1 | 34689 2 34589 | | 278 2678 3 | 4 2789 5789 | 1 5689 589 | | 1248 5 129 | 238 6 389 | 3489 89 7 | |----------------------+----------------------+----------------------| | 2357 1 2567 | 23678 23789 36789 | 2389 4 3589 | | 2347 2347 8 | 1237 5 3479 | 239 19 6 | | 9 2346 256 | 12368 2348 3468 | 7 158 1358 | |----------------------+----------------------+----------------------| | 378-1 9 a17 | 3678 3478 2 | 5 b1678 148 | | 6 378 d157 | 9 3478 34578 | 48 c178 2 | | 2578 278 4 | 5678 1 5678 | 689 3 89 | *--------------------------------------------------------------------* m-wing (1=7)r7c3-r7c8=(7-1)r8c8=1r8c3 => -1r7c1; lclste

by **Marty R.** » Mon Sep 16, 2013 5:00 pm

Nice Dan. I always look for M-Wings and miss a lot that you find.

Code: Select all: +----------------+-------------------+------------------+ | 478 4678 679 | 3578 3789 1 | 34689 2 34589 | | 278 2678 3 | 4 2789 5789 | 1 5689 589 | | 1248 5 129 | 238 6 389 | 3489 89 7 | +----------------+-------------------+------------------+ | 2357 1 2567 | 23678 23789 36789 | 2389 4 3589 | | 2347 2347 8 | 1237 5 3479 | 239 19 6 | | 9 2346 256 | 12368 2348 3468 | 7 158 1358 | +----------------+-------------------+------------------+ | 1378 9 17 | 3678 3478 2 | 5 1678 148 | | 6 378 157 | 9 3478 34578 | 48 178 2 | | 2578 278 4 | 5678 1 5678 | 689 3 89 | +----------------+-------------------+------------------+

Play this puzzle online at the Daily Sudoku site

1r6c9=(1-4)r7c9=r1c9-(42389=1)r3c46783-r78c3=r7c1=>r7c9<>1

by **Leren** » Tue Sep 17, 2013 4:09 am

ArkieTech wrote : m-wing (1=7)r7c3-r7c8=(7-1)r8c8=1r8c3 => -1r7c1; lclste

You underestimated yourself, that's an M Ring Type B => - 1 r3c3, r7c1, - 7 r7c145, - 8 r8c8; lclste

Leren

by **ArkieTech** » Tue Sep 17, 2013 11:36 am

Leren wrote:You underestimated yourself, that's an M Ring Type B => - 1 r3c3, r7c1, - 7 r7c145, - 8 r8c8; lclste
Leren

Thanks Leren....got to work on my rings.

Patterns Game 61.28