The New Sudoku Players' Forum

by **ArkieTech** » Fri Feb 10, 2017 12:11 am

Code: Select all: *-----------* |6..|2.8|...| |2..|...|..5| |.9.|7.3|.8.| |---+---+---| |...|...|9.6| |.21|8.6|35.| |5.3|...|...| |---+---+---| |.4.|1.9|.2.| |8..|...|..9| |...|6.2|..4| *-----------*

by **SteveG48** » Fri Feb 10, 2017 12:51 am

Code: Select all: *-----------------------------------------------------------* | 6 137 457 | 2 59 8 | 47 379 b13 | | 2 378 78 | 4 69 1 | 67 3679 5 | | 4-1 9 45 | 7 56 3 | 246 8 a12 | *-------------------+-------------------+-------------------| | 47 78 478 | 3 2 5 | 9 1 6 | | 9 2 1 | 8 4 6 | 3 5 7 | | 5 6 3 | 9 1 7 | 28 4 28 | *-------------------+-------------------+-------------------| | 37 4 6 | 1 378 9 | 5 2 c38 | | 8 e17 2 | 5 37 4 |d167 d367 9 | |f137 5 9 | 6 378 2 | 178 d37 4 | *-----------------------------------------------------------*

1r2c9 = (1-3)r1c9 = r7c9 - (3=167)b9p458 - 1r8c2 = 1r9c1 => -1 r3c1 ; stte

by **pjb** » Fri Feb 10, 2017 4:51 am

Code: Select all: 6 a137 457 | 2 59 8 | 47 379 b13 2 378 78 | 4 69 1 | 67 3679 5 14 9 45 | 7 56 3 | 246 8 12 ------------------------+----------------------+--------------------- 47 78 478 | 3 2 5 | 9 1 6 9 2 1 | 8 4 6 | 3 5 7 5 6 3 | 9 1 7 | 28 4 28 ------------------------+----------------------+--------------------- 37 4 6 | 1 378 9 | 5 2 c38 8 7-1 2 | 5 37 4 |e167 367 9 137 5 9 | 6 378 2 |d178 37 4

(1)r1c2 = (1-3)r1c9 = (3-8)r7c9 = (8-1)r9c7 = r8c7 => -1 r8c2; stte

Phil

by **eleven** » Fri Feb 10, 2017 6:50 am

Code: Select all: *----------------------------------------------* | 6 137 457 | 2 59 8 | 47 379 13 | | 2 378 78 | 4 69 1 | 67 3679 5 | | 14 9 45 | 7 56 3 | 246 8 12 | |-----------------+----------+-----------------| | 47 78 478 | 3 2 5 | 9 1 6 | | 9 2 1 | 8 4 6 | 3 5 7 | | 5 6 3 | 9 1 7 | 28 4 28 | |-----------------+----------+-----------------| | b37 4 6 | 1 378 9 | 5 2 8-3 | | 8 b17 2 | 5 37 4 | a167 a367 9 | | 137 5 9 | 6 378 2 | 178 a37 4 | *----------------------------------------------*

(3=1)b9p458-(1=3)b7p15 => -3r7c9, stte

by **StrmCkr** » Fri Feb 10, 2017 8:27 am

Code: Select all: .---------------.-----------.---------------. | 6 137 457 | 2 59 8 | 47 379 13 | | 2 378 78 | 4 69 1 | 67 3679 5 | | 14 9 45 | 7 56 3 | 246 8 12 | :---------------+-----------+---------------: | 47 78 478 | 3 2 5 | 9 1 6 | | 9 2 1 | 8 4 6 | 3 5 7 | | 5 6 3 | 9 1 7 | 28 4 28 | :---------------+-----------+---------------: | 37 4 6 | 1 378 9 | 5 2 38 | | 8 17 2 | 5 37 4 | 167 367 9 | | 137 5 9 | 6 378 2 | 178 37 4 | '---------------'-----------'---------------'

2 overlapping S-wings:
Discontinuous Nice Loop: 3/7 r9c5 =8= r9c7 =1= r9c1 =3= r7c1 =7= r7c5 =8= r9c5 => r9c5<>3, r9c5<>7

singles to the end.

by **Cenoman** » Fri Feb 10, 2017 8:34 am

Code: Select all: +-------------------+-----------------+-------------------+ | 6 137 457 | 2 59 8 | 47 379 13 | | 2 378 78 | 4 69 1 | 67 3679 5 | | 14 9 45 | 7 56 3 | 246 8 12 | +-------------------+-----------------+-------------------+ | 47 78 478 | 3 2 5 | 9 1 6 | | 9 2 1 | 8 4 6 | 3 5 7 | | 5 6 3 | 9 1 7 | 28 4 28 | +-------------------+-----------------+-------------------+ |b37 4 6 | 1 378 9 | 5 2 a38 | | 8 17 2 | 5 37 4 | 167 367 9 | |c137 5 9 | 6 378 2 |d17-8 37 4 | +-------------------+-----------------+-------------------+

H wing: (8=3)r7c9 - r7c1 = (3-1)r9c1 = (1)r9c7 => -8 r9c7; stte

Cenoman

by **Ngisa** » Fri Feb 10, 2017 12:35 pm

Code: Select all: +-------------+---------+-------------+ | 6 b137 457 | 2 59 8 | 47 379 a13 | | 2 378 78 | 4 69 1 | 67 3679 5 | | 14 9 45 | 7 56 3 | 246 8 12 | +-------------+---------+-------------+ | 47 78 478 | 3 2 5 | 9 1 6 | | 9 2 1 | 8 4 6 | 3 5 7 | | 5 6 3 | 9 1 7 | 28 4 28 | +-------------+---------+-------------+ | 37 4 6 | 1 378 9 | 5 2 f8-3 | | 8 c17 2 | 5 37 4 | d167 367 9 | | 137 5 9 | 6 378 2 | e178 37 4 | +-------------+---------+-------------+

(3)r1c9 = (3-1)r1c2 = r8c2 - r8c7 = (1-8)r9c7 = (8)r7c9 => -3 r7c9; stte

Clement

February 10, 2017