The New Sudoku Players' Forum

by **ArkieTech** » Sun Jul 12, 2015 11:40 pm

Code: Select all: *-----------* |..8|463|...| |..2|7..|..3| |6.9|...|...| |---+---+---| |.7.|.29|...| |.8.|...|.2.| |...|84.|.5.| |---+---+---| |...|...|9.1| |4..|..8|2..| |...|257|6..| *-----------*

by **Leren** » Mon Jul 13, 2015 12:04 am

Code: Select all: *--------------------------------------------------------------* | 7 15 8 | 4 6 3 | 15 9 2 | | 1-5 4 2 | 7 9 a15 | 8 6 3 | | 6 3 9 | 15 8 2 | 1457 14 47 | |--------------------+--------------------+--------------------| |d135 7 13456 | 135 2 9 | 134 148 468 | |d1359 8 13456 | 135 7 b156 | 134 2 469 | |d1239 d129 d136 | 8 4 c16 | 137 5 679 | |--------------------+--------------------+--------------------| | 258 25 57 | 6 3 4 | 9 78 1 | | 4 6 37 | 9 1 8 | 2 37 5 | | 1389 19 13 | 2 5 7 | 6 348 48 | *--------------------------------------------------------------*

(5) r2c6 = (5-6) r5c6 = (6) r6c6 - (6=5) r45c1, r6c123 => - 5 r2c1; stte

Leren

by **pjb** » Mon Jul 13, 2015 12:21 am

Code: Select all: 7 b15 8 | 4 6 3 |a15 9 2 C15 4 2 | 7 9 5-1 | 8 6 3 6 3 9 | 15 8 2 | 1457 a14 7-4 ------------------------+----------------------+--------------------- B135 7 13456 | 135 2 9 | 134 148 468 B1359 8 13456 | 135 7 156 | 134 2 469 B1239 B129 B136 | 8 4 A16 | 137 5 679 ------------------------+----------------------+--------------------- 258 c25 d57 | 6 3 4 | 9 d78 1 4 6 37 | 9 1 8 | 2 37 5 1389 19 13 | 2 5 7 | 6 38-4 e48

(4=5)r1c7,r3c8 - r1c2 = r7c2 - (5=8)r7c38 - (8=4)r9c9 => -4 r3c9, r9c8; stte
or
(1=6)r6c6 - (6=12359)r45c1,r6c123 - (5=1)r2c1 => -1 r2c6; stte

Phil

by **JC Van Hay** » Mon Jul 13, 2015 1:50 am

Code: Select all: +---------------------+----------------+----------------+ | 7 15 8 | 4 6 3 | 15 9 2 | | (15) 4 2 | 7 9 5-1 | 8 6 3 | | 6 3 9 | (15) 8 2 | 1457 14 47 | +---------------------+----------------+----------------+ | 13(5) 7 13(456) | 13(5) 2 9 | 134 148 468 | | 1359 8 135(46) | 135 7 156 | 134 2 469 | | 1239 129 13(6) | 8 4 (16) | 137 5 679 | +---------------------+----------------+----------------+ | 258 25 57 | 6 3 4 | 9 78 1 | | 4 6 37 | 9 1 8 | 2 37 5 | | 1389 19 13 | 2 5 7 | 6 348 48 | +---------------------+----------------+----------------+

[(1=6)r6c6 - 6r6c3=HP(64-5)r45c3=WWing(15)r2c1.r3c4,5r4c14] - (1=5)r2c6; ste

by **bat999** » Mon Jul 13, 2015 11:26 am

Code: Select all: .--------------------.-------------.------------------. | 7 f15 8 | 4 6 3 | g15 9 2 | | 15 4 2 | 7 9 15 | 8 6 3 | | 6 3 9 | 15 8 2 | 1457 h14 47 | :--------------------+-------------+------------------: | 135 7 13456 | 135 2 9 | 134 148 468 | | 1359 8 13456 | 135 7 156 | 134 2 469 | | 1239 129 136 | 8 4 16 | 137 5 679 | :--------------------+-------------+------------------: | 258 e25 d57 | 6 3 4 | 9 78 1 | | 4 6 c37 | 9 1 8 | 2 b37 5 | | 1389 19 13 | 2 5 7 | 6 a38-4 48 | '--------------------'-------------'------------------'

AIC: (3)r9c8 = (3)r8c8 - (3=7)r8c3 - (7=5)r7c3 - (5)r7c2 = (5)r1c2 - (5=1)r1c7 - (1=4)r3c7 => r9c8<>4
- 4 r9c8; stte
8-)

by **eleven** » Mon Jul 13, 2015 12:27 pm

JC Van Hay wrote:[(1=6)r6c6 - 6r6c3=HP(64-5)r45c3=WWing(15)r2c1.r3c4,5r4c14] - (1=5)r2c6; ste

Nice, though the wwing is not needed:
(1=6)r6c6-6r6c3=(hp46-5)r45c3=5r45c1-(5=1)r2c1
Also interesting to read from right to left.

by **JC Van Hay** » Mon Jul 13, 2015 12:35 pm

Code: Select all: +--------------------+-------------+-------------------+ | 7 (15) 8 | 4 6 3 | 5(1) 9 2 | | 15 4 2 | 7 9 15 | 8 6 3 | | 6 3 9 | 15 8 2 | 1457 4(1) 47 | +--------------------+-------------+-------------------+ | 135 7 13456 | 135 2 9 | 134 4-8(1) 468 | | 1359 8 13456 | 135 7 156 | 134 2 469 | | 1239 129 136 | 8 4 16 | 137 5 679 | +--------------------+-------------+-------------------+ | 5(28) (25) 57 | 6 3 4 | 9 7(8) 1 | | 4 6 37 | 9 1 8 | 2 37 5 | | 1389 19 13 | 2 5 7 | 6 348 48 | +--------------------+-------------+-------------------+

[1r4c8=1r3c8-1r1c7=(1-5)r1c2=(5-2)r7c2=(2-8)r7c1=8r7c8] - 8r4c8=8r4c9; ste

by **Ngisa** » Mon Jul 13, 2015 3:31 pm

Code: Select all: +----------------+-----------+--------------+ | 7 15 8 | 4 6 3 | 15 9 2 | | 15 4 2 | 7 9 15 | 8 6 3 | | 6 3 9 | 15 8 2 | 1457 14 47 | +----------------+-----------+--------------+ | 135 7 c13456 | 135 2 9 | 134 148 b468 | | 1359 8 13456 | 135 7 156 | 134 2 469 | | 1239 129 d136 | 8 4 16 | 137 5 679 | +----------------+-----------+--------------+ | 258 25 57 | 6 3 4 | 9 78 1 | | 4 6 d37 | 9 1 8 | 2 e37 5 | | 139-8 19 d13 | 2 5 7 | 6 f348 a48 | +----------------+-----------+--------------+

(4*-8)r9c9=(8-6)r4c9=r4c3-(6=137)r689c3-(7=3*)r8c8-(3*4*=8)r9c8 => -8r9c1; stte

by **daj95376** » Mon Jul 13, 2015 6:04 pm

Code: Select all: +-----------------------------------------------------------------------+ | 7 15 8 | 4 6 3 | 15 9 2 | | 15 4 2 | 7 9 15 | 8 6 3 | | 6 3 9 | 15 8 2 | 1457 14 47 | |-----------------------+-----------------------+-----------------------| | *35+1 7 13456 | *35+1 2 9 | 134 148 468 | | *35+19 8 13456 | *35+1 7 156 | 134 2 469 | | 1239 129 136 | 8 4 6-1 | 137 5 679 | |-----------------------+-----------------------+-----------------------| | 258 25 57 | 6 3 4 | 9 78 1 | | 4 6 37 | 9 1 8 | 2 37 5 | | 1389 19 13 | 2 5 7 | 6 348 48 | +-----------------------------------------------------------------------+ # 66 eliminations remain (35) UR r45c14 1r45c4 - 1r6c6 || 1r45c1 - r2c1 = r2c6 - 1r6c6 || 9r5c1 - r6c2 = (9-1)r9c2 = [ 1r6c2 = r1c2 - r2c1 = r2c6 - 1r6c6 ]

_

[Edit: corrected typo. Thanks Leren.]

by **Leren** » Mon Jul 13, 2015 8:44 pm

daj95376 wrote : 9r5c3 - r6c2 = (9-1)r9c2 = [ 1r6c2 = r1c2 - r2c1 = r2c6 - 1r6c6 ]

Typo should be 9r5c1. Leren

July 13, 2015