The New Sudoku Players' Forum

by **Leren** » Wed Apr 01, 2020 6:25 am

Code: Select all: *-----------* |548|...|...| |.3.|...|8..| |1..|...|..3| |---+---+---| |.72|..8|6..| |...|...|3..| |...|.47|..9| |---+---+---| |.1.|3..|.2.| |256|9..|...| |...|.6.|7..| *-----------* 548.......3....8..1.......3.72..86........3......47..9.1.3...2.2569.........6.7..

by **StrmCkr** » Wed Apr 01, 2020 7:42 am

Code: Select all: +-----------+-----------------------+--------------------+ | 5 4 8 | (1267) (129) 3 | (12) 69-17 (127) | | 6 3 79 | 12457 125-9 1249 | 8 14579 12457 | | 1 2 79 | 8 5-9 469 | 45 45679 3 | +-----------+-----------------------+--------------------+ | 9 7 2 | (15) 3 8 | 6 145 145 | | 4 68 15 | (1256) (1259) 69-12 | 3 1578 1257 | | 3 68 15 | (1256) 4 7 | 125 158 9 | +-----------+-----------------------+--------------------+ | 7 1 4 | 3 8 5 | 9 2 6 | | 2 5 6 | 9 7 14 | 14 3 8 | | 8 9 3 | 124 6 124 | 7 145 145 | +-----------+-----------------------+--------------------+

{dual linked } Almost Locked Set XZ-Rule: A=r1c4579 {12679}, B=r456c4,r5c5 {12569}, X=6,9 => r23c5<>9, r1c8,r5c6<>1, r1c8<>7, r5c6<>2
stte

by **yzfwsf** » Wed Apr 01, 2020 8:56 am

Code: Select all: .---------------------------------.---------------------------------.---------------------------------. | 5 4 8 | 1267 129 3 | 12 1679 127 | | 6 3 79 | 12457 1259 1249 | 8 14579 12457 | | 1 2 79 | 8 59 469 | 45 45679 3 | :---------------------------------+---------------------------------+---------------------------------: | 9 7 2 | 15 3 8 | 6 145 145 | | 4 68 15 | 1256 1259 1269 | 3 1578 1257 | | 3 68 15 | 1256 4 7 | 125 158 9 | :---------------------------------+---------------------------------+---------------------------------: | 7 1 4 | 3 8 5 | 9 2 6 | | 2 5 6 | 9 7 14 | 14 3 8 | | 8 9 3 | 124 6 124 | 7 145 145 | '---------------------------------'---------------------------------'---------------------------------'

NL: 9r1c5 = (9-6)r1c8 = r1c4 - r3c6 = (6-9)r5c6 = r5c5 - 9r1c5 => -17r1c8,-9r23c5,-12r5c6;stte

by **Ngisa** » Wed Apr 01, 2020 11:57 am

Code: Select all: +---------------+-------------------------+------------------------+ | 5 4 8 |f1267 h129 3 | 12 g1679 127 | | 6 3 79 |e12457 1259 d1249 | 8 14579 12457 | | 1 2 79 | 8 a59 d469 |a45 45679 3 | +---------------+-------------------------+------------------------+ | 9 7 2 | 15 3 8 | 6 145 145 | | 4 68 15 | 1256 125-9 1269 | 3 1578 1257 | | 3 68 15 | 1256 4 7 | 125 158 9 | +---------------+-------------------------+------------------------+ | 7 1 4 | 3 8 5 | 9 2 6 | | 2 5 6 | 9 7 c14 |b14 3 8 | | 8 9 3 | 124 6 124 | 7 145 145 | +---------------+-------------------------+------------------------+

(9=54)r3c57 - r8c7 = r8c6 - r23c6 = (4-7)r2c4 = (7-6)r1c4 = (6-9)r1c8 = (9)r1c5 => - 9r5c5; stte

Clement

by **Cenoman** » Wed Apr 01, 2020 1:02 pm

Code: Select all: +-----------------+------------------------+------------------------+ | 5 4 8 | 1267 129 3 | 12 1679 a127 | | 6 3 79 | 12457 1259 1249 | 8 14579 a12457 | | 1 2 79 | 8 59 d469 | d45 d4569-7 3 | +-----------------+------------------------+------------------------+ | 9 7 2 | 15 3 8 | 6 145 145 | | 4 68 15 | 1256 1259 1269 | 3 1578 b1257 | | 3 68 15 | 1256 4 7 | c125 158 9 | +-----------------+------------------------+------------------------+ | 7 1 4 | 3 8 5 | 9 2 6 | | 2 5 6 | 9 7 14 | 14 3 8 | | 8 9 3 | 124 6 124 | 7 145 145 | +-----------------+------------------------+------------------------+

(7)r12c9 = (7-2)r5c9 = (2-5)r6c7 = (546)r3c678 => -7 r3c8; lclste

by **pjb** » Wed Apr 01, 2020 11:47 pm

Code: Select all: 5 4 8 |b1267 b129 3 |b12 69-17 b127 6 3 79 | 12457 125-9 124-9 | 8 14579 12457 1 2 79 | 8 a59 a469 |a45 679-45 3 ------------------------+----------------------+--------------------- 9 7 2 | 15 3 8 | 6 145 145 4 68 15 | 1256 1259 1269 | 3 1578 1257 3 68 15 | 1256 4 7 | 125 158 9 ------------------------+----------------------+--------------------- 7 1 4 | 3 8 5 | 9 2 6 2 5 6 | 9 7 14 | 14 3 8 8 9 3 | 124 6 124 | 7 145 145

Another double ALS at r3c567 and r1c4579:
(9=6)r3c567 - (6=9)r1c4579 - loop => -17 r1c8, -9 r2c56, -45 r3c8; stte

Phil

by **SteveG48** » Thu Apr 02, 2020 1:11 am

Code: Select all: *--------------------------------------------------------------------* | 5 4 8 |b1267 a129 3 |a12 1679 a127 | | 6 3 79 |c12457 125-9 c124-9 | 8 14579 12457 | | 1 2 79 | 8 f59 c46-9 |e45 45679 3 | *----------------------+----------------------+----------------------| | 9 7 2 | 15 3 8 | 6 145 145 | | 4 68 15 | 1256 125-9 1269 | 3 1578 1257 | | 3 68 15 | 1256 4 7 | 125 158 9 | *----------------------+----------------------+----------------------| | 7 1 4 | 3 8 5 | 9 2 6 | | 2 5 6 | 9 7 d14 |e14 3 8 | | 8 9 3 | 124 6 124 | 7 145 145 | *--------------------------------------------------------------------*

(9=127)r1c579 - 7r1c4 = (74)b2p469 - 4r8c6 = (45)r38c7 - (5=9)r3c5 => -9 b2p459,r5c5 ; stte

Mystery Puzzle 22