The New Sudoku Players' Forum

by **ArkieTech** » Wed Nov 18, 2015 12:24 am

Code: Select all: *-----------* |92.|.86|.4.| |...|...|...| |...|..5|.63| |---+---+---| |..9|5.7|61.| |8..|...|..4| |.13|8.4|7..| |---+---+---| |13.|4..|...| |...|...|...| |.8.|62.|.91| *-----------*

by **SteveG48** » Wed Nov 18, 2015 12:51 am

Code: Select all: *--------------------------------------------------------------------* | 9 2 1-5 | 3 8 6 | 15 4 7 | | 3 a56 1568 | 7 4 12 | 12589 258 259 | | 4 7 18 | 29 19 5 | 128 6 3 | *----------------------+----------------------+----------------------| | 2 4 9 | 5 3 7 | 6 1 8 | | 8 b56 7 | 29 169 12 | 359 c35 4 | | 56 1 3 | 8 69 4 | 7 25 259 | *----------------------+----------------------+----------------------| | 1 3 256 | 4 57 9 | 258 2578 256 | |d56 9 d2456 | 1 d57 8 | 2345 d2357 d256 | | 7 8 e45 | 6 2 3 | 45 9 1 | *--------------------------------------------------------------------*

5r2c2 = r5c2 - (5=3)r5c8 - (3=24567)r8c13589 - (4=5)r9c3 => -5 r1c3 ; stte

by **Leren** » Wed Nov 18, 2015 12:51 am

Code: Select all: *--------------------------------------------------------------* | 9 2 15 | 3 8 6 |c15 4 7 | | 3 56 1568 | 7 4 12 |c12589 258 25-9 | | 4 7 18 | 29 19 5 |c128 6 3 | |--------------------+--------------------+--------------------| | 2 4 9 | 5 3 7 | 6 1 8 | | 8 56 7 | 29 169 12 | 35-9 35 4 | |a56 1 3 | 8 69 4 | 7 a25 a259 | |--------------------+--------------------+--------------------| | 1 3 256 | 4 57 9 |c258 2578 256 | |b56 9 2456 | 1 57 8 | 2345 2357 256 | | 7 8 b45 | 6 2 3 |c45 9 1 | *--------------------------------------------------------------*

ALS XY Wing: (9=6) r6c189 - (6=4) r8c1, r9c3 - (4=9) r12379c7 => - 9 r2c9, r5c7; stte

Leren

by **Marty R.** » Wed Nov 18, 2015 1:04 am

Code: Select all: +------------+-----------+----------------+ | 9 2 15 | 3 8 6 | 15 4 7 | | 3 56 1568 | 7 4 12 | 12589 258 259 | | 4 7 18 | 29 19 5 | 128 6 3 | +------------+-----------+----------------+ | 2 4 9 | 5 3 7 | 6 1 8 | | 8 56 7 | 29 169 12 | 359 35 4 | | 56 1 3 | 8 69 4 | 7 25 259 | +------------+-----------+----------------+ | 1 3 256 | 4 57 9 | 258 2578 256 | | 56 9 2456 | 1 57 8 | 2345 2357 256 | | 7 8 45 | 6 2 3 | 45 9 1 | +------------+-----------+----------------+

Play this puzzle online at the Daily Sudoku site

DP (26)r78c9, mixed internal and external

6r8c1=5r78c9-r9c7=r9c3-(5=6)r8c1=> 6r8c1

by **SteveG48** » Wed Nov 18, 2015 2:55 am

Marty, it took me a bit to see it, but that's terrific.

by **JC Van Hay** » Wed Nov 18, 2015 8:58 am

Code: Select all: +-----------------+-------------+---------------------+ | 9 2 1-5 | 3 8 6 | 15 4 7 | | 3 6(5) 168-5 | 7 4 12 | 12589 258 259 | | 4 7 18 | 29 19 5 | 128 6 3 | +-----------------+-------------+---------------------+ | 2 4 9 | 5 3 7 | 6 1 8 | | 8 6(5) 7 | 29 169 12 | 359 (35) 4 | | 56 1 3 | 8 69 4 | 7 25 259 | +-----------------+-------------+---------------------+ | 1 3 256 | 4 57 9 | 258 2578 256 | | 56 9 2456 | 1 57 8 | 25(34) 257(3) 256 | | 7 8 4(5) | 6 2 3 | (45) 9 1 | +-----------------+-------------+---------------------+

[5r9c3=(5-4)r9c7=(4-3)r8c7=3r8c8-(3=5)r5c8-5r5c2=5r2c2]-5r12c3; stte

November 18, 2015