The New Sudoku Players' Forum

by **Leren** » Sat Jun 30, 2018 11:40 pm

Code: Select all: *-----------* |.2.|.4.|...| |..6|78.|.1.| |3..|...|5.4| |---+---+---| |6..|25.|.7.| |..9|86.|..2| |..4|...|.9.| |---+---+---| |..2|47.|.3.| |73.|...|..8| |...|1..|9..| *-----------*

by **ArkieTech** » Sun Jul 01, 2018 12:11 am

Code: Select all: *--------------------------------------------------* | 589 2 58-1 | 59 4 a135 | 7 6 39 | | 459 49 6 | 7 8 a35 | 2 1 39 | | 3 19 7 | 69 29 126 | 5 8 4 | *----------------+----------------+----------------| | 6 8 3 | 2 5 9 | 4 7 1 | | 1 7 9 | 8 6 4 | 3 5 2 | | 2 5 4 | 3 1 7 | 8 9 6 | *----------------+----------------+----------------| | 89 169 2 | 4 7 a68 | 16 3 5 | | 7 3 b15 |b569 b29 a256 | 16 4 8 | | 458 46 58 | 1 3 568 | 9 2 7 | *--------------------------------------------------* [(1=6)r1279c6-(6=1)r8c3456]-1r1c3; ste

by **pjb** » Sun Jul 01, 2018 6:48 am

Code: Select all: 589 2 58-1 |c59 4 d135 | 7 6 39 459 49 6 | 7 8 d35 | 2 1 39 3 19 7 | 69 29 126 | 5 8 4 ------------------------+----------------------+--------------------- 6 8 3 | 2 5 9 | 4 7 1 1 7 9 | 8 6 4 | 3 5 2 2 5 4 | 3 1 7 | 8 9 6 ------------------------+----------------------+--------------------- 89 169 2 | 4 7 68 | 16 3 5 7 3 a15 |b569 29 256 | 16 4 8 458 46 58 | 1 3 568 | 9 2 7

(1=5)r8c3 - r8c4 = r1c4 - (5=13)r12c6 => -1 r1c3; stte

Phil

by **Cenoman** » Sun Jul 01, 2018 9:25 am

Code: Select all: +---------------------+-------------------+-----------------+ | a589* 2 Bbc158c' | e59 4 Ad135* | 7 6 39* | | y459* 49 6 | 7 8 d35* | 2 1 39* | | 3 19 7 | 69 29 126 | 5 8 4 | +---------------------+-------------------+-----------------+ | 6 8 3 | 2 5 9 | 4 7 1 | | 1 7 9 | 8 6 4 | 3 5 2 | | 2 5 4 | 3 1 7 | 8 9 6 | +---------------------+-------------------+-----------------+ | 89 169 2 | 4 7 68 | 16 3 5 | | 7 3 C1-5 | f569 29 256 | 16 4 8 | | z458 46 z58 | 1 3 568 | 9 2 7 | +---------------------+-------------------+-----------------+ DP(359)r12c169 using internals (8r1c1=1r1c6=4r2c1) (8)r1c1 - (8)r1c3 a b || (1)r1c3 - (1=35)r12c6 - (5)r1c4 = (5)r8c4 c d e f || (5)r1c3 c' (1)r1c6 - r1c3 = (1)r8c3 A B C (4)r2c1 - (4=58)r9c13 y z => -5 r8c3; ste

by **Leren** » Mon Jul 02, 2018 7:06 am

Link to the original puzzle is here. Leren

by **Cenoman** » Mon Jul 02, 2018 9:02 am

Leren wrote:Link to the original puzzle is here. Leren

I am frustrated not to have seen Luke's nice DP solution:

Code: Select all: +---------------------+-------------------+-----------------+ | 589 2 158 | 59 4 c135 | 7 6 39 | | 459 49 6 | 7 8 c35 | 2 1 39 | | 3 19 7 | 69* 29* b126* | 5 8 4 | +---------------------+-------------------+-----------------+ | 6 8 3 | 2 5 9 | 4 7 1 | | 1 7 9 | 8 6 4 | 3 5 2 | | 2 5 4 | 3 1 7 | 8 9 6 | +---------------------+-------------------+-----------------+ | 89 169 2 | 4 7 68 | 16 3 5 | | 7 3 15 | a569* 29* a256* | 16 4 8 | | 458 46 58 | 1 3 68-5 | 9 2 7 | +---------------------+-------------------+-----------------+

DP(269)r38c456 using internals: (5)r8c46=DP=(1)r3c6 - (1=35)r12c6 => -5 r9c6; lclste

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