The New Sudoku Players' Forum

by **ArkieTech** » Sat Oct 03, 2015 11:44 pm

Code: Select all: *-----------* |..9|...|...| |..1|.8.|...| |...|.49|..3| |---+---+---| |...|.9.|.1.| |4.7|...|9..| |1..|4..|8.2| |---+---+---| |...|..7|168| |.8.|.3.|4.7| |...|.5.|...| *-----------*

by **SteveG48** » Sun Oct 04, 2015 12:03 am

Code: Select all: *--------------------------------------------------* | 8 f236 9 |g3-5 7 26 | 256 4 1 | | 236 4 1 |a5-3 8 26 | 7 9 b56 | | 26 7 5 | 1 4 9 | 26 8 3 | *----------------+----------------+----------------| | 256 256 8 | 7 9 3 | 56 1 4 | | 4 d56 7 | 2 1 8 | 9 3 c56 | | 1 9 3 | 4 6 5 | 8 7 2 | *----------------+----------------+----------------| | 35 e35 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | *--------------------------------------------------*

5r2c4 = r2c9 - r5c9 = r5c2 - (5=3)r7c2 - r1c2 = 3r1c4 => -5 r1c4, -3 r2c4 ; stte

Or, using L-shaped DP r1c27,r3c17,r4c12,

Code: Select all: *------------------------------------------------------* | 8 d*236 9 | 35 7 26 |a*256 4 1 | | e236 4 1 | 35 8 26 | 7 9 56 | | e*26 7 5 | 1 4 9 | *26 8 3 | *-------------------+----------------+-----------------| |ec*256 c*256 8 | 7 9 3 | b6-5 1 4 | | 4 56 7 | 2 1 8 | 9 3 56 | | 1 9 3 | 4 6 5 | 8 7 2 | *-------------------+----------------+-----------------| | 35 35 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | *------------------------------------------------------*

5r1c7 = r4c7 - r4c12 = 3r1c2[DP] - (3=256)r234c1 => -5 r4c7 ; stte

by **Marty R.** » Sun Oct 04, 2015 1:20 am

Code: Select all: +-----------+---------+----------+ | 8 236 9 | 35 7 26 | 256 4 1 | | 236 4 1 | 35 8 26 | 7 9 56 | | 26 7 5 | 1 4 9 | 26 8 3 | +-----------+---------+----------+ | 256 256 8 | 7 9 3 | 56 1 4 | | 4 56 7 | 2 1 8 | 9 3 56 | | 1 9 3 | 4 6 5 | 8 7 2 | +-----------+---------+----------+ | 35 35 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | +-----------+---------+----------+

Play this puzzle online at the Daily Sudoku site

DP (26)r123c167, using internals

5(r1c7=3r2c1-(3=5)r2c4-r2c9=5r5c9=> -5r2c9,r4c7

by **pjb** » Sun Oct 04, 2015 2:18 am

Code: Select all: 8 236 9 | 3-5 7 *26 |*256 4 1 *236 4 1 |a35 8 *26 | 7 9 6-5 *26 7 5 | 1 4 9 |*26 8 3 ------------------------+----------------------+--------------------- 256 256 8 | 7 9 3 | 56 1 4 4 56 7 | 2 1 8 | 9 3 56 1 9 3 | 4 6 5 | 8 7 2 ------------------------+----------------------+--------------------- 35 35 4 | 9 2 7 | 1 6 8 9 8 2 | 6 3 1 | 4 5 7 7 1 6 | 8 5 4 | 3 2 9

Using same DP as Marty
(5)r1c7 = (3)r2c1 - (3=5)r2c4 => -5 r2c9, r1c4; stte

Phil

by **JC Van Hay** » Sun Oct 04, 2015 6:36 am

Code: Select all: +--------------+-------------+--------------+ | 8 26-3 9 | (35) 7 26 | 256 4 1 | | 236 4 1 | 3(5) 8 26 | 7 9 6(5) | | 26 7 5 | 1 4 9 | 26 8 3 | +--------------+-------------+--------------+ | 256 256 8 | 7 9 3 | 56 1 4 | | 4 6(5) 7 | 2 1 8 | 9 3 6(5) | | 1 9 3 | 4 6 5 | 8 7 2 | +--------------+-------------+--------------+ | 35 (35) 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | +--------------+-------------+--------------+ WWing(35)r1c4.r7c2,5R25 - 3r1c2; stte

by **bat999** » Sun Oct 04, 2015 10:17 am

Code: Select all: .---------------.-------------.-------------. | 8 26-3 9 | a35 7 26 | b256 4 1 | | d236 4 1 | 5-3 8 26 | 7 9 56 | | d26 7 5 | 1 4 9 | 26 8 3 | :---------------+-------------+-------------: | d256 256 8 | 7 9 3 | c56 1 4 | | 4 56 7 | 2 1 8 | 9 3 56 | | 1 9 3 | 4 6 5 | 8 7 2 | :---------------+-------------+-------------: | 35 35 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | '---------------'-------------'-------------'

(3=5)r1c4 - r1c7 = r4c7 - (5=3)r234c1 => -3 r1c2,r2c4; stte
8-)

by **ArkieTech** » Sun Oct 04, 2015 10:28 am

Code: Select all: *--------------------------------------------------* | 8 236 9 | 35 7 *26 |*5-26 4 1 | |*3-26 4 1 | 35 8 *26 | 7 9 56 | |*26 7 5 | 1 4 9 |*26 8 3 | |----------------+----------------+----------------| | 256 256 8 | 7 9 3 | 56 1 4 | | 4 56 7 | 2 1 8 | 9 3 56 | | 1 9 3 | 4 6 5 | 8 7 2 | |----------------+----------------+----------------| | 35 35 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | *--------------------------------------------------* [dp:26r123c167]-26r2c1|r1c7; ste

by **Ngisa** » Sun Oct 04, 2015 2:20 pm

Code: Select all: +-----------+---------+----------+ | 8 26-3 9 | a35 7 26 | b256 4 1 | | 236 4 1 | 35 8 26 | 7 9 c56 | | 26 7 5 | 1 4 9 | 26 8 3 | +-----------+---------+----------+ | 256 256 8 | 7 9 3 | 56 1 4 | | 4 e56 7 | 2 1 8 | 9 3 d56 | | 1 9 3 | 4 6 5 | 8 7 2 | +-----------+---------+----------+ | 35 f35 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | +-----------+---------+----------+

(3=5)r1c4-r1c7=r2c9-r5c9=r5c2-(5=3)r7c2 => -3r1c2; stte

Clement

by **eleven** » Mon Oct 05, 2015 2:03 pm

[Edit:] I remembered, that some time ago i posted MUG rubbish, this was it. No one detected it or maybe they were too polite to mention it.

by **blue** » Mon Oct 05, 2015 6:01 pm

Code: Select all: +-----------------+-------------+--------------+ | 8 (236) 9 | 35 7 (26) | (256) 4 1 | | (236) 4 1 | 35 8 26 | 7 9 56 | | (26) 7 5 | 1 4 9 | 26 8 3 | +-----------------+-------------+--------------+ | (256) 256 8 | 7 9 3 | 6-5 1 4 | | 4 56 7 | 2 1 8 | 9 3 56 | | 1 9 3 | 4 6 5 | 8 7 2 | +-----------------+-------------+--------------+ | 35 35 4 | 9 2 7 | 1 6 8 | | 9 8 2 | 6 3 1 | 4 5 7 | | 7 1 6 | 8 5 4 | 3 2 9 | +-----------------+-------------+--------------+

(5=3)r1c267 - (3=5)r234c1 => r4c7<>5; stte

October 4, 2015