The New Sudoku Players' Forum

by **ArkieTech** » Thu Nov 16, 2017 11:14 pm

Code: Select all: *-----------* |...|...|8..| |.75|63.|...| |...|..2|.79| |---+---+---| |318|...|...| |7..|.9.|..6| |...|...|137| |---+---+---| |29.|7..|...| |...|.81|76.| |..7|...|...| *-----------*

by **Leren** » Thu Nov 16, 2017 11:40 pm

Code: Select all: *------------------------------------------------* | 169 26 1269 | 4 17 79 | 8 5 3 | | 89 7 5 | 6 3 9-8 | 24 124 14 | | 148 348 b134 |a58 a15 2 | 6 7 9 | |----------------+----------------+--------------| | 3 1 8 | 25 67 67 | 2459 249 45 | | 7 245 b24 | 1 9 3 | 25 8 6 | |c569 c256 c269 | 25-8 c45 c458 | 1 3 7 | |----------------+----------------+--------------| | 2 9 16 | 7 456 456 | 3 14 8 | | 45 345 b34 | 9 8 1 | 7 6 2 | | 168 68 7 | 3 2 46 | 459 149 145 | *------------------------------------------------*

ALS XY Wing: (8=1) r3c45 - (1=2) r358c3 - (2=8) r6c12356 => - 8 r2c6, r6c4; stte

Leren

by **pjb** » Thu Nov 16, 2017 11:49 pm

Code: Select all: 169 26 1269 | 4 17 79 | 8 5 3 89 7 5 | 6 3 89 | 24 124 14 148 348 e134 | 8-5 f15 2 | 6 7 9 ------------------------+----------------------+--------------------- 3 1 8 |a25 67 67 |b2459 b249 45 7 245 d24 | 1 9 3 |c25 8 6 569 256 269 | 258 4-5 458 | 1 3 7 ------------------------+----------------------+--------------------- 2 9 16 | 7 456 456 | 3 14 8 45 345 e34 | 9 8 1 | 7 6 2 168 68 7 | 3 2 46 | 459 149 145

(5=2)r4c4 - r4c78 = r5c7 - (2=4)r5c3 - (4=1)r38c3 - (1=5)r3c5 => -5 r3c4, r6c5; stte

Phil

by **SteveG48** » Fri Nov 17, 2017 1:30 am

Code: Select all: *------------------------------------------------------------* |c169 e26 1269 | 4 17 79 | 8 5 3 | |c89 7 5 | 6 3 b9-8 | 24 124 14 | | 148 348 134 | 58 15 2 | 6 7 9 | *-------------------+--------------------+-------------------| | 3 1 8 | 25 67 67 | 2459 249 45 | | 7 245 24 | 1 9 3 | 25 8 6 | |c569 e256 269 | 25-8 af45 abf458 | 1 3 7 | *-------------------+--------------------+-------------------| | 2 9 16 | 7 456 456 | 3 14 8 | | 45 345 34 | 9 8 1 | 7 6 2 | |d168 e68 7 | 3 2 46 | 459 149 145 | *------------------------------------------------------------*

8r6c6 = (45)r6c56&8r2c6 - (5|8=169)r126c1 - (1|6=8)r9c1 - (8=256)r169c2 - (5=48)r6c56 => -8 r2c6,r6c4 ; stte

Same as Leren, but by the scenic route.

So how about this one:

Code: Select all: *-----------------------------------------------------------* | 169 26 1269 | 4 17 79 | 8 5 3 | | 89 7 5 | 6 3 89 | 24 124 14 | | 148 348 ac134 | 58 b15 2 | 6 7 9 | *-------------------+-------------------+-------------------| | 3 1 8 | 25 67 67 | 2459 249 45 | | 7 245 2-4 | 1 9 3 | 25 8 6 | | 569 256 269 | 258 b45 458 | 1 3 7 | *-------------------+-------------------+-------------------| | 2 9 a16 | 7 b456 456 | 3 14 8 | | 45 345 ac34 | 9 8 1 | 7 6 2 | | 168 68 7 | 3 2 46 | 459 149 145 | *-----------------------------------------------------------*

(4=136)r378c3 - (6=145)r367c5 - (1=34)r38c3 => -4 r5c3 ; stte

by **Cenoman** » Fri Nov 17, 2017 10:39 am

Code: Select all: +---------------------+--------------------+---------------------+ | 169 26 1269 | 4 17 79 | 8 5 3 | | 89 7 5 | 6 3 89 | 24 124 14 | | 148 348 d134 | 58 15 2 | 6 7 9 | +---------------------+--------------------+---------------------+ | 3 1 8 | 25 67 67 | 2459 249 45 | | 7 245 d24 | 1 9 3 | 25 8 6 | | 569 e256 e269 | f25-8 45* a458* | 1 3 7 | +---------------------+--------------------+---------------------+ | 2 9 c16 | 7 456* 456* | 3 b14 8 | | 45 345 d34 | 9 8 1 | 7 6 2 | | 168 68 7 | 3 2 46 | 459 149 145 | +---------------------+--------------------+---------------------+

UR(45)r67c56 using mixed externals (r7) and internals (r6)
(8)r6c6 == (4-1)r7c8 - r7c3 = (1=2)r358c3 - r6c23 = (2)r6c4 => -8 r6c4; stte

Cenoman

November 17, 2017