The New Sudoku Players' Forum

by **Leren** » Tue Jun 05, 2018 5:40 am

Code: Select all: *-----------* |...|.1.|.2.| |9..|34.|.71| |...|.6.|984| |---+---+---| |.7.|.84|..3| |5..|.32|.6.| |...|7..|...| |---+---+---| |31.|6.5|..8| |.6.|..1|...| |798|..3|...| *-----------*

by **pjb** » Tue Jun 05, 2018 7:56 am

Code: Select all: 48 48 7 | 5 1 9 | 3 2 6 9 2 6 | 3 4 8 | 5 7 1 1 5 3 | 2 6 7 | 9 8 4 ------------------------+----------------------+--------------------- 6 7 129 | 19 8 4 | 12 5 3 5 48 d149 |c19 3 2 | 1478 6 b79 248 3 1249 | 7 5 6 | 1248 49 29 ------------------------+----------------------+--------------------- 3 1 2-4 | 6 79 5 | 247 49* 8 24* 6 5 | 8 79 1 | 247 3 a279* 7 9 8 | 4 2 3 | 6 1 5

Almost xy-wing at r8c1, r8c9 and r7c8, with (7)r8c9 - (7=9)r5c9 - (9=41)r5c34 => -4 r7c3; stte

Phil

by **ArkieTech** » Tue Jun 05, 2018 8:06 am

Code: Select all: *-----------------------------------------------------------* | 48 48 7 | 5 1 9 | 3 2 6 | | 9 2 6 | 3 4 8 | 5 7 1 | | 1 5 3 | 2 6 7 | 9 8 4 | *-------------------+-------------------+-------------------| | 6 7 129 | 19 8 4 | 12 5 3 | | 5 48 A149 |A19 3 2 | 1478 6 A79 | | 248 3 1249 | 7 5 6 | 1248 49 29 | *-------------------+-------------------+-------------------| | 3 1 2-4 | 6 79 5 | 247 z49 8 | |a24 6 5 | 8 79 1 | 247 3 *279 | | 7 9 8 | 4 2 3 | 6 1 5 | *-----------------------------------------------------------* [2r8c9-(2=4)r8c1 7r8c9-(7=4)r5c359 9r8c9-(9=4)r7c8]-4r7c3

by **Cenoman** » Tue Jun 05, 2018 9:28 am

Code: Select all: +--------------------+-----------------+--------------------+ | 48 48 7 | 5 1 9 | 3 2 6 | | 9 2 6 | 3 4 8 | 5 7 1 | | 1 5 3 | 2 6 7 | 9 8 4 | +--------------------+-----------------+--------------------+ | 6 7 129 | 19 8 4 | 12 5 3 | | 5 48 b149 | b19 3 2 | a1478 6 b79 | | 248 3 1249 | 7 5 6 | 1248 49 29 | +--------------------+-----------------+--------------------+ | 3 1 B2-4 | 6 79 5 | A247 49 8 | | z24 6 5 | 8 79 1 | y247 3 279 | | 7 9 8 | 4 2 3 | 6 1 5 | +--------------------+-----------------+--------------------+

Kraken column (7)r578c7
(7)r5c7 = (719=4)r5c347
(7-2)r7c7 = (2)r7c3
(7-4)r8c7 = (4)r8c1
=>-4r7c3; ste

by **SteveG48** » Tue Jun 05, 2018 2:55 pm

Code: Select all: *------------------------------------------------------------* | 48 48 7 | 5 1 9 | 3 2 6 | | 9 2 6 | 3 4 8 | 5 7 1 | | 1 5 3 | 2 6 7 | 9 8 4 | *-------------------+-------------------+--------------------| | 6 7 b129 | 19 8 4 |af12 5 3 | | 5 48 149 | 19 3 2 | 1478 6 79 | |e248 3 1249 | 7 5 6 | f1248 e49 9-2 | *-------------------+-------------------+--------------------| | 3 1 cd24 | 6 79 5 | 47-2 d49 8 | |d24 6 5 | 8 79 1 | 47-2 3 279 | | 7 9 8 | 4 2 3 | 6 1 5 | *------------------------------------------------------------*

2r4c7 = r4c3 - r7c3 = (2r8c1)&((49)r7c38) - (2|9=48)r6c18 - (4|8=12)r46c7 => -2 r6c9,r78c7 ; stte

by **Sudtyro2** » Wed Jun 06, 2018 7:21 pm

Code: Select all: +---------------+--------------+---------------+ | 48 48 7 | 5 1 9 | 3 2 6 | | 9 2 6 | 3 4 8 | 5 7 1 | | 1 5 3 | 2 6 7 | 9 8 4 | +---------------+--------------+---------------+ | 6 7 19-2 | 19 8 4 | 12 5 3 | | 5 48 149 | 19 3 2 | 1478 6 79 | | 248 3 1249 | 7 5 6 | 1248 49 29 | +---------------+--------------+---------------+ | 3 1 24 | 6 79 5 | 247 49 8 | | 24 6 5 | 8 79 1 | 247 3 279 | | 7 9 8 | 4 2 3 | 6 1 5 | +---------------+--------------+---------------+

An entry for the month's Best Obfuscation Award: Kraken cell (1248)r6c7, with [lasso].

Code: Select all: 8r6c7 - r6c1 = [2r7c3 = r8c1 - (2=4)r6c1 - r6c8 = r7c8 - (4=2)r7c3] - 2r4c3; 4r6c7 - r6c8 = r7c8 - (4=2)r7c3 - 2r4c3; 2r6c7 - r7c7 = 2r7c3 - 2r4c3; 1r6c7 - (1=2)r4c7 - 2r4c3; stte

SteveC

by **Leren** » Wed Jun 06, 2018 8:19 pm

Link to the original puzzle is here. Leren.

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