The New Sudoku Players' Forum

by **ArkieTech** » Mon Jun 30, 2014 11:30 pm

Code: Select all: *-----------* |.4.|.8.|51.| |.3.|2..|94.| |...|...|...| |---+---+---| |.23|.98|45.| |..9|3.5|2..| |.15|72.|39.| |---+---+---| |...|...|...| |.97|..1|.3.| |.64|.3.|.2.| *-----------*

by **Leren** » Tue Jul 01, 2014 12:42 am

Code: Select all: *-----------------------------------------------------------------------* | 79 4 a26 | 9-6 8 b3679 | 5 1 a23 | | 1578 3 168 | 2 1567 b67 | 9 4 678 | | 15789 578 1268 | 14569 14567 34679 | 678 678 23 | |-----------------------+-----------------------+-----------------------| | 67 2 3 | 16 9 8 | 4 5 167 | | 4678 78 9 | 3 146 5 | 2 678 1678 | | 468 1 5 | 7 2 46 | 3 9 68 | |-----------------------+-----------------------+-----------------------| | 3 58 18 | 45689 4567 2 | 1678 678 459 | | 2 9 7 | 4568 456 1 | 68 3 45 | | 158 6 4 | 589 3 b79 | 178 2 59 | *-----------------------------------------------------------------------*

ALS XZ Rule: X = 3, Z = 6: (6=3) r1c39 - (3=6) r129c6 => - 6 r1c4; stte

Leren

by **SteveG48** » Tue Jul 01, 2014 1:43 am

Code: Select all: *--------------------------------------------------------------------* |a79 4 26 |a69 8 a3679 | 5 1 23 | | 1578 3 168 | 2 1567 7-6 | 9 4 d678 | | 15789 578 1268 | 14569 14567 f34679 |e678 e678 23 | *----------------------+----------------------+----------------------| |b67 2 3 | 16 9 8 | 4 5 c167 | | 4678 78 9 | 3 146 5 | 2 678 1678 | | 468 1 5 | 7 2 f46 | 3 9 68 | *----------------------+----------------------+----------------------| | 3 58 18 | 45689 4567 2 | 1678 678 459 | | 2 9 7 | 4568 456 1 | 68 3 45 | | 158 6 4 | 589 3 79 | 178 2 59 | *--------------------------------------------------------------------*

I can't beat Leren's, so this:

(6=739*)r1c146 - (7)r4c1 = r4c9 - r2c9 = r3c78 - (7*39=46)r36c6 => -6 r2c6

by **pjb** » Tue Jul 01, 2014 5:43 am

Code: Select all: 79 4 b26 |a9-6 8 dg3679 | 5 1 c23 1578 3 168 | 2 1567 g67 | 9 4 678 15789 578 1268 | 14569 14567 eg34679 | 678 678 23 ---------------------+-----------------------+--------------------- 67 2 3 | 16 9 8 | 4 5 167 4678 78 9 | 3 146 5 | 2 678 1678 468 1 5 | 7 2 f46 | 3 9 68 ---------------------+-----------------------+--------------------- 3 58 18 | 45689 4567 2 | 1678 678 459 2 9 7 | 4568 456 1 | 68 3 45 158 6 4 | 589 3 79 | 178 2 59

(9=6)r1c4 - (6=2)r1c3 - (2=3)r1c9 - r1c6 = (3-4)r3c6 = (4-6)r6c6 = 1r23c6 => -6 r1c4; stte

Phil

by **ArkieTech** » Tue Jul 01, 2014 11:23 am

Code: Select all: *--------------------------------------------------------------------* | 79 4 b26 | 9-6 8 a3679 | 5 1 b23 | | 1578 3 168 | 2 1567 a67 | 9 4 678 | | 15789 578 1268 | 14569 14567 34679 | 678 678 23 | |----------------------+----------------------+----------------------| | 67 2 3 | 16 9 8 | 4 5 167 | | 4678 78 9 | 3 146 5 | 2 678 1678 | | 468 1 5 | 7 2 46 | 3 9 68 | |----------------------+----------------------+----------------------| | 3 58 18 | 45689 4567 2 | 1678 678 459 | | 2 9 7 | 4568 456 1 | 68 3 45 | | 158 6 4 | 589 3 a79 | 178 2 59 | *--------------------------------------------------------------------* (6=3)r129c6-(3=6)r1c39 => -6r1c4; ste

by **Leren** » Tue Jul 01, 2014 11:51 am

ArkieTech wrote : (6=3)r129c6-(3=6)r1c39 => -6r1c4; ste

Great minds think alike !

Leren

by **Marty R.** » Tue Jul 01, 2014 5:13 pm

Two of the XY-Wings pivoted in box 2.

July 1, 2014