The New Sudoku Players' Forum

by **ArkieTech** » Mon Mar 23, 2015 10:02 pm

Code: Select all: *-----------* |.7.|..6|53.| |..4|...|...| |.2.|..3|..8| |---+---+---| |...|6.7|.93| |..7|9.5|1..| |28.|1.4|...| |---+---+---| |4..|..9|.6.| |...|...|4..| |.93|..2|.5.| *-----------*

by **pjb** » Mon Mar 23, 2015 10:40 pm

Code: Select all: 189 7 d18 | 248 149 6 | 5 3 c12 13589 135 4 | 2578 1579 18 | 79 12 6 1569 2 156 | 57 1579 3 | 79 4 8 ------------------------+----------------------+--------------------- 15 4 15 | 6 8 7 | 2 9 3 36 36 7 | 9 2 5 | 1 8 4 2 8 9 | 1 3 4 | 6 7 5 ------------------------+----------------------+--------------------- 4 15 a125-8 | 578 157 9 | 3 6 b127 15678 156 12568 | 3 1567 18 | 4 12 9 167 9 3 | 47 1467 2 | 8 5 17

(2)r7c3 = r7c9 - (2=1)r1c9 - (1=8)r1c3 => -8 r7c3; stte

Phil

by **SteveG48** » Mon Mar 23, 2015 11:29 pm

Code: Select all: *--------------------------------------------------------------------* | 189 7 b18 | 248 149 6 | 5 3 a12 | | 13589 135 4 | 2578 1579 18 | 79 1-2 6 | | 1569 2 156 | 57 1579 3 | 79 4 8 | *----------------------+----------------------+----------------------| | 15 4 15 | 6 8 7 | 2 9 3 | | 36 36 7 | 9 2 5 | 1 8 4 | | 2 8 9 | 1 3 4 | 6 7 5 | *----------------------+----------------------+----------------------| | 4 15 c1258 | 578 157 9 | 3 6 17-2 | |d15678 156 c12568 | 3 1567 e18 | 4 e12 9 | | 167 9 3 | 47 1467 2 | 8 5 17 | *--------------------------------------------------------------------*

(2=1)r1c9 - (1=8)r1c3 - r78c3 = r8c1 - (8=12)r8c68 => -2 r2c8,r7c9 ; stte

by **Leren** » Tue Mar 24, 2015 1:12 am

Code: Select all: *--------------------------------------------------------------* | 189 7 a18 | 24-8 149 6 | 5 3 b12 | | 13589 135 4 | 257 1579 d18 | 79 c12 6 | | 1569 2 156 | 57 1579 3 | 79 4 8 | |--------------------+--------------------+--------------------| | 15 4 15 | 6 8 7 | 2 9 3 | | 36 36 7 | 9 2 5 | 1 8 4 | | 2 8 9 | 1 3 4 | 6 7 5 | |--------------------+--------------------+--------------------| | 4 15 125-8 |f578 157 9 | 3 6 127 | | 15678 156 1256 | 3 1567 e18 | 4 12 9 | | 167 9 3 | 47 1467 2 | 8 5 17 | *--------------------------------------------------------------*

(8=1) r1c3 - r1c9 = r2c8 - r2c6 = (1-8) r8c6 = (8) r7c4 => - 8 r1c4, r7c3; stte

Leren

by **bat999** » Tue Mar 24, 2015 3:40 am

Code: Select all: .---------------------.------------------.---------------. | 189 7 A18 | 248 149 6 | 5 3 B12 | | 13589 135 4 | 2578 1579 *18 | 79 *12 6 | | 1569 2 156 | 57 1579 3 | 79 4 8 | :---------------------+------------------+---------------: | 15 4 15 | 6 8 7 | 2 9 3 | | 36 36 7 | 9 2 5 | 1 8 4 | | 2 8 9 | 1 3 4 | 6 7 5 | :---------------------+------------------+---------------: | 4 15 *1258 | 578 157 9 | 3 6 127 | | *15678 156 *12568 | 3 1567 X1-8 | 4 12 9 | | 167 9 3 | 47 1467 2 | 8 5 17 | '---------------------'------------------'---------------'

A=r1c3, B=r1c9, X=r8c6

A<>1->r78c3<>8->r8c1=8->X<>8
B<>1->r2c8=1->r2c6=8->X<>8
A or B is not 1 so X is not 8.

=> -8 r8c6 ; stte
8-)

by **gurth** » Tue Mar 24, 2015 5:45 am

by **Ngisa** » Tue Mar 24, 2015 10:30 am

Code: Select all: +-----------------+--------------+-----------+ | 189 7 a18 | 248 149 6 | 5 3 2-1 | | 13589 135 4 | 2578 1579 18 | 79 f12 6 | | 1569 2 156 | 57 1579 3 | 79 4 8 | +-----------------+--------------+-----------+ | 15 4 15 | 6 8 7 | 2 9 3 | | 36 36 7 | 9 2 5 | 1 8 4 | | 2 8 9 | 1 3 4 | 6 7 5 | +-----------------+--------------+-----------+ | 4 15 b1258 | c578 157 9 | 3 6 127 | | 15678 156 12568 | 3 1567 d18 | 4 e12 9 | | 167 9 3 | 47 1467 2 | 8 5 17 | +-----------------+--------------+-----------+

(1=8r1c3-r7c3=r7c4-(8=1)r8c6-(1=2)r8c8-(2=1)r2c8 => -1r1c9; stte

March 24, 2015