The New Sudoku Players' Forum

by **ArkieTech** » Tue Apr 08, 2014 11:22 pm

Code: Select all: *-----------* |3..|2.4|..1| |..4|.7.|9..| |.1.|.3.|.8.| |---+---+---| |8..|...|..3| |.39|...|15.| |1..|...|..7| |---+---+---| |.2.|.5.|.4.| |..8|.6.|7..| |5..|8.2|..9| *-----------*

by **SteveG48** » Tue Apr 08, 2014 11:48 pm

Code: Select all: *-----------------------------------------------------------* | 3 8-9 6 | 2 e89 4 | 5 7 1 | | 2 58 4 | 15 7 158 | 9 3 6 | |a79 1 57 | 569 3 569 | 24 8 24 | *-------------------+-------------------+-------------------| | 8 456 257 | 4579 1 579 | 24 69 3 | |b47 3 9 | 467 d28 678 | 1 5 c24 | | 1 456 25 | 3459 29 359 | 8 69 7 | *-------------------+-------------------+-------------------| | 6 2 1 | 79 5 79 | 3 4 8 | | 49 49 8 | 13 6 13 | 7 2 5 | | 5 7 3 | 8 4 2 | 6 1 9 | *-----------------------------------------------------------*

(9=7)r3c1 - (7=4)r5c1 - (4=2)r5c9 - (2=8)r5c5 - (8=9)r1c5 => -9 r1c2 ; stte

by **SteveG48** » Wed Apr 09, 2014 12:08 am

Code: Select all: *------------------------------------------------------------* | 3 e89 6 | 2 89 4 | 5 7 1 | | 2 d58 4 | 15 7 c158 | 9 3 6 | | f79 1 57 | 569 3 569 | 24 8 24 | *--------------------+-------------------+-------------------| | 8 456 257 | 4579 1 579 | 24 69 3 | |ag47 3 9 |a467 28 b678 | 1 5 2-4 | | 1 456 25 | 3459 29 359 | 8 69 7 | *--------------------+-------------------+-------------------| | 6 2 1 | 79 5 79 | 3 4 8 | | 49 49 8 | 13 6 13 | 7 2 5 | | 5 7 3 | 8 4 2 | 6 1 9 | *------------------------------------------------------------*

This one is more fun:

(4=67)r5c14 - (67=8)r5c6 - r2c6 = r2c2 - (8=9)r1c2 - (9=7)r3c1 - (7=4)r5c1 => -4 r5c9 ; stte

by **Leren** » Wed Apr 09, 2014 1:43 am

Code: Select all: *--------------------------------------------------------------* | 3 89 6 | 2 89 4 | 5 7 1 | | 2 58 4 | 15 7 158 | 9 3 6 | | 79 1 57 | 569 3 569 | 24 8 24 | |--------------------+--------------------+--------------------| | 8 456 d25-7 | 4579 1 579 |c24 69 3 | |a47 3 9 | 467 28 678 | 1 5 b24 | | 1 456 25 | 3459 29 359 | 8 69 7 | |--------------------+--------------------+--------------------| | 6 2 1 | 79 5 79 | 3 4 8 | | 49 49 8 | 13 6 13 | 7 2 5 | | 5 7 3 | 8 4 2 | 6 1 9 | *--------------------------------------------------------------*

H2 Wing: (7=4) r5c1 - r5c9 = (4-2) r4c7 = (2) r4c3 => - 7 r4c3; stte

Leren

by **pjb** » Wed Apr 09, 2014 2:08 am

Code: Select all: 3 89 6 | 2 89 4 | 5 7 1 2 58 4 | 15 7 158 | 9 3 6 79 1 57 | 569 3 569 | 24 8 24 ---------------------+----------------------+--------------------- 8 456 c257 | 4579 1 579 |b24 69 3 d7-4 3 9 | 467 28 678 | 1 5 a24 1 456 25 | 3459 29 359 | 8 69 7 ---------------------+----------------------+--------------------- 6 2 1 | 79 5 79 | 3 4 8 e49 49 8 | 13 6 13 | 7 2 5 5 7 3 | 8 4 2 | 6 1 9

(4=2)r5c9 - r4c7 = (2-7)r4c3 = (7-4)r5c1 = r8c1 => -4 r5c1; stte

Phil

by **Luke** » Wed Apr 09, 2014 3:24 am

Externals, baby.

Code: Select all: *-----------------------------------------------------------* | 3 89 6 | 2 89 4 | 5 7 1 | | 2 58 4 | 15 7 158 | 9 3 6 | |-79 1 57 |*69+5 3 *69+5 | 24 8 24 | |-------------------+-------------------+-------------------| | 8 456 257 | 4579 1 579 | 24 69 3 | | 47 3 9 |*67+4 28 *67+8 | 1 5 24 | | 1 456 25 | 3459 29 359 | 8 69 7 | |-------------------+-------------------+-------------------| | 6 2 1 |*79 5 *79 | 3 4 8 | | 49 49 8 | 13 6 13 | 7 2 5 | | 5 7 3 | 8 4 2 | 6 1 9 | *-----------------------------------------------------------*

BUG-Lite (679)r357c46: ==>r3c1<>7
||
(9)r3c1
||
(7)r5c1

by **Ngisa** » Wed Apr 09, 2014 8:16 am

Code: Select all: +------------+-------------+----------+ | 3 d89 6 | 2 e89 4 | 5 7 1 | | 2 58 4 | 15 7 158 | 9 3 6 | | c79 1 57 | 569 3 569 | 24 8 24 | +------------+-------------+----------+ | 8 456 257 | 4579 1 579 | 24 69 3 | | b47 3 9 | 467 8-2 678 | 1 5 a24 | | 1 456 25 | 3459 f29 359 | 8 69 7 | +------------+-------------+----------+ | 6 2 1 | 79 5 79 | 3 4 8 | | 49 49 8 | 139 6 139 | 7 2 5 | | 5 7 3 | 8 4 2 | 6 1 9 | +------------+-------------+----------+

(2=4)r5c9-(4=7)r5c1-(7=9)r3c1-(9=8)r1c2-(8=9)r1c5-(9=2)r6c5 => -2r5c5; stte.

by **Marty R.** » Wed Apr 09, 2014 3:41 pm

Code: Select all: +------------+-------------+----------+ | 3 89 6 | 2 89 4 | 5 7 1 | | 2 58 4 | 15 7 158 | 9 3 6 | | 79 1 57 | 569 3 569 | 24 8 24 | +------------+-------------+----------+ | 8 456 257 | 4579 1 579 | 24 69 3 | | 47 3 9 | 467 28 678 | 1 5 24 | | 1 456 25 | 3459 29 359 | 8 69 7 | +------------+-------------+----------+ | 6 2 1 | 79 5 79 | 3 4 8 | | 49 49 8 | 13 6 13 | 7 2 5 | | 5 7 3 | 8 4 2 | 6 1 9 | +------------+-------------+----------+

Play this puzzle online at the Daily Sudoku site

Same 69-67-79 DP as Luke. I notated it as 9r3c1=7r5c1-(7=9)r3c1=>r3c1=9

April 9, 2014