The New Sudoku Players' Forum

by **ArkieTech** » Fri Jul 19, 2019 10:53 am

Code: Select all: *-----------* |.3.|4..|.2.| |4..|.1.|..5| |..9|...|1..| |---+---+---| |5..|9.2|.7.| |...|.6.|...| |.9.|7.1|..6| |---+---+---| |..7|...|8..| |6..|.8.|..3| |.4.|..5|.6.| *-----------*

by **Cenoman** » Fri Jul 19, 2019 1:11 pm

Code: Select all: +---------------------+--------------------+-------------------+ | 1 3 5 | 4 9 8 | 6 2 7 | | 4 2678* 26* |cb236 1 c367 | 39 389 5 | | 27 68 9 | 5 27 d36 | 1 38 4 | +---------------------+--------------------+-------------------+ | 5 16* 16* | 9 3-4 2 | 34 7 8 | | 27 27 34 | 8 6 d34 | 5 1 9 | | 38 9 348 | 7 5 1 | 2 34 6 | +---------------------+--------------------+-------------------+ | 39 12* 7 | 36 a34 369-4 | 8 5 12* | | 6 5 12* | a12* 8 79 | 479 49 3 | | 389 4 38 | a123* 27 5 | 79 6 12* | +---------------------+--------------------+-------------------+

DP(126)r24c23, b7p26, r89c4, r79c9 using externals
(413=2)b8p247 - (2)r2c4 == (6)r2c46 - (63=4)r35c6 => -4 r4c5, r7c6; ste

by **Ngisa** » Fri Jul 19, 2019 4:05 pm

Code: Select all: +--------------------+---------------------+------------------+ | 1 3 5 | 4 9 8 | 6 2 7 | | 4 2678 26 | 236 1 a367 |d39 389 5 | | 27 2678 9 | 5 b237 a367 | 1 38 4 | +--------------------+---------------------+------------------+ | 5 16 16 | 9 f34 2 |e34 7 8 | | 237 27 234 | 8 6 4-3 | 5 1 9 | | 38 9 348 | 7 5 1 | 2 34 6 | +--------------------+---------------------+------------------+ | 39 12 7 | 1236 234 3469 | 8 5 12 | | 6 5 12 | 12 8 479 | 479 49 3 | | 389 4 38 | 123 c237 5 |c79 6 12 | +--------------------+---------------------+------------------+

(3=67)r23c6 - (7)r3c5 = (79)r9c57 - (9=3)r2c7 - r4c7 = (3)r4c5 => - 3r5c6; stte

Clement

by **SteveG48** » Fri Jul 19, 2019 4:58 pm

Code: Select all: *-----------------------------------------------------------* | 1 3 5 | 4 9 8 | 6 2 7 | | 4 2678 26 | 236 1 367 | 39 389 5 | | 27 68 9 | 5 27 36 | 1 38 4 | *-------------------+-------------------+-------------------| | 5 16 16 | 9 b34 2 |c34 7 8 | | 27 27 34 | 8 6 34 | 5 1 9 | | 38 9 348 | 7 5 1 | 2 34 6 | *-------------------+-------------------+-------------------| | 39 12 7 | 36 a34 3469 | 8 5 12 | | 6 5 12 |a12 8 a79 |c479 4-9 3 | | 389 4 38 |a123 a27 5 |c79 6 12 | *-----------------------------------------------------------*

(9=12347)b8p34678 - 4r4c5 = (479)r489c7 => -9 r8c9 ; stte

by **SpAce** » Fri Jul 19, 2019 6:25 pm

Code: Select all: .----------------.-----------------.------------------. | 1 3 5 | 4 9 8 | 6 2 7 | | 4 2678 26 | 236 1 367 | 39 389 5 | | 27 68 9 | 5 27 36 | 1 38 4 | :----------------+-----------------+------------------: | 5 16 16 | 9 c(3)4 2 | c3(4) 7 8 | | 27 27 34 | 8 6 34 | 5 1 9 | | 38 9 348 | 7 5 1 | 2 3-4 6 | :----------------+-----------------+------------------: | 39 12 7 | 36 b34 b3469 | 8 5 12 | | 6 5 12 | 12 8 a7[9] | a79-4 a[4]9 3 | | 389 4 38 | 123 27 5 | 79 6 12 | '----------------'-----------------'------------------'

(49)r8c86 = (94-3)r7c65 = (3,4)r4c57 => -4 r6c8,r8c7; stte

by **Sudtyro2** » Fri Jul 19, 2019 8:09 pm

Code: Select all: +-----------------+---------------+--------------+ | 1 3 5 | 4 9 8 | 6 2 7 | | 4 2678 26 | 236 1 367 | 39 389 5 | | 27 68 9 | 5 27 36 | 1 38 4 | +-----------------+---------------+--------------+ | 5 16 16 | 9 d34 2 | 34 7 8 | | 27 27 b34 | 8 6 c34 | 5 1 9 | | 38* 9 348* | 7 5 1 | 2 34 6 | +-----------------+---------------+--------------+ | a39 12 7 | 36 4-3 3469 | 8 5 12 | | 6 5 12 | 12 8 79 | 479 49 3 | | 389* 4 38* | 123 27 5 | 79 6 12 | +-----------------+---------------+--------------+

UR(38)r69c13, using externals.
3r7c1 == 3r5c3 - r5c6 = 3r4c5 => - 3r7c5; stte

SteveC

by **rjamil** » Mon Jul 22, 2019 7:22 pm

Two stepper:

Code: Select all: .3.4...2.4...1...5..9...1..5..9.2.7.....6.....9.7.1..6..7...8..6...8...3.4...5.6. +----------------+-------------------+------------------+ | 1 3 5 | 4 9 8 | 6 2 7 | | 4 2678 26 | 2[3]6 1 (67)-3 | 39 (89)-3 5 | | 27 68 9 | 5 27 [3]6 | 1 38 4 | +----------------+-------------------+------------------+ | 5 16 16 | 9 [3]4 (2) | [3]4 (7) 8 | | 27 27 34 | 8 6 [3]4 | 5 1 9 | | 38 9 348 | 7 5 1 | 2 [3]4 6 | +----------------+-------------------+------------------+ | 39 12 7 | 36 34 469-3 | 8 5 12 | | 6 5 12 | 12 8 79 | 479 49 3 | | 389 4 38 | 123 27 5 | 79 6 12 | +----------------+-------------------+------------------+

1) Grouped Linked Empty Rectangle: ERI 3 @ b2r2c6 ERI 3 @ b3r2c8 ERI 3 @ b5r4c6 and ERI 3 @ b6r4c8 => -3 @ r27c6 r2c8;

Code: Select all: +-------------------+----------------+-------------+ | 1 3 5 | 4 9 8 | 6 2 7 | | 4 268-7 (26) | 236 1 (67) | 39 89 5 | | (27) 68 9 | 5 2-7 36 | 1 38 4 | +-------------------+----------------+-------------+ | 5 16 16 | 9 34 2 | 34 7 8 | | 27 27 34 | 8 6 34 | 5 1 9 | | 38 9 348 | 7 5 1 | 2 34 6 | +-------------------+----------------+-------------+ | 39 12 7 | 36 34 469 | 8 5 12 | | 6 5 12 | 12 8 79 | 479 49 3 | | 389 4 38 | 123 27 5 | 79 6 12 | +-------------------+----------------+-------------+

2) XY-Wing: 267 @ r2c36 r3c1 => -7 @ r2c2 r3c5; stte

R. Jamil

July 19, 2019