The New Sudoku Players' Forum

by **ArkieTech** » Sun Jan 26, 2014 12:14 am

Code: Select all: *-----------* |.3.|...|5..| |1.6|2.8|4..| |...|.6.|9.1| |---+---+---| |..1|.4.|..9| |..9|...|7..| |7..|.1.|3..| |---+---+---| |2.5|.9.|...| |..4|5.3|1.7| |..3|...|.9.| *-----------*

by **Leren** » Sun Jan 26, 2014 12:39 am

Code: Select all: *--------------------------------------------------------------* | 4 3 28 | 19 7 19 | 5 268 26 | | 1 9 6 | 2 5 8 | 4 7 3 | | 58 258 7 | 3 6 4 | 9 28 1 | |--------------------+--------------------+--------------------| | 3 268 1 | 678 4 267 |a26 5 9 | |d568 4 9 | 68 3 c256 | 7 1 b268 | | 7 2568 28 | 689 1 2569 | 3 4 268 | |--------------------+--------------------+--------------------| | 2 17 5 | 167 9 167 | 8 3 4 | | 9 68 4 | 5 28 3 | 1 26 7 | |e68 17 3 | 4 28 17 | 2-6 9 5 | *--------------------------------------------------------------*

(6=2) r4c7 - r5c9 = (2-5) r5c6 = (5-6) r5c1 = (6) r9c1 => - 6 r9c7; stte

Leren

by **SteveG48** » Sun Jan 26, 2014 12:46 am

Code: Select all: *-----------------------------------------------------------* | 4 3 28 | 19 7 19 | 5 268 26 | | 1 9 6 | 2 5 8 | 4 7 3 | | 58 258 7 | 3 6 4 | 9 28 1 | *-------------------+-------------------+-------------------| | 3 268 1 | 678 4 267 |a6-2 5 9 | |d568 4 9 |e68 3 256 | 7 1 e268 | | 7 2568 28 | 689 1 2569 | 3 4 268 | *-------------------+-------------------+-------------------| | 2 17 5 | 167 9 167 | 8 3 4 | | 9 68 4 | 5 28 3 | 1 26 7 | |c68 17 3 | 4 28 17 |b26 9 5 | *-----------------------------------------------------------*

(2-6)r4c7 = r9c7 - r9c1 = r5c1 - (6=82)r5c49 => -2 r4c7 ; stte

by **pjb** » Sun Jan 26, 2014 1:35 am

Code: Select all: 4 3 a28 | 19 7 19 | 5 268 6-2 1 9 6 | 2 5 8 | 4 7 3 b58 258 7 | 3 6 4 | 9 28 1 ---------------------+----------------------+--------------------- 3 268 1 | 678 4 267 | 26 5 9 c568 4 9 | 68 3 d256 | 7 1 e268 7 2568 28 | 689 1 2569 | 3 4 268 ---------------------+----------------------+--------------------- 2 17 5 | 167 9 167 | 8 3 4 9 68 4 | 5 28 3 | 1 26 7 68 17 3 | 4 28 17 | 26 9 5

(2=8) r1c3 - (8=5) r3c1- r5c1 = (5-2) r5c6 = r5c9 => -2 r1c9; stte

Phil

by **tlanglet** » Sun Jan 26, 2014 3:12 pm

Code: Select all: *-----------------------------------------------------------* | 4 3 28 | 19 7 19 | 5 a28-6 e26 | | 1 9 6 | 2 5 8 | 4 7 3 | |c58 258 7 | 3 6 4 | 9 b28 1 | |-------------------+-------------------+-------------------| | 3 268 1 | 678 4 267 | 26 5 9 | |d568 4 9 |d68 3 256 | 7 1 d268 | | 7 2568 28 | 689 1 2569 | 3 4 268 | |-------------------+-------------------+-------------------| | 2 17 5 | 167 9 167 | 8 3 4 | | 9 68 4 | 5 28 3 | 1 26 7 | | 68 17 3 | 4 28 17 | 26 9 5 | *-----------------------------------------------------------*

A slightly different path but still using row 5.....

8r1c8=8r3c8-(5=5)r3c1-(5=682)r5c149-(2=6)r1c9 => r1c8<>6

Ted

by **Marty R.** » Sun Jan 26, 2014 6:38 pm

Code: Select all: +-------------+-------------+------------+ | 4 3 28 | 19 7 19 | 5 268 26 | | 1 9 6 | 2 5 8 | 4 7 3 | | 58 258 7 | 3 6 4 | 9 28 1 | +-------------+-------------+------------+ | 3 268 1 | 678 4 267 | 26 5 9 | | 568 4 9 | 68 3 256 | 7 1 268 | | 7 2568 28 | 689 1 2569 | 3 4 268 | +-------------+-------------+------------+ | 2 17 5 | 167 9 167 | 8 3 4 | | 9 68 4 | 5 28 3 | 1 26 7 | | 68 17 3 | 4 28 17 | 26 9 5 | +-------------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

(8=5)r3c1-(568=2)r5c149-r4c7=2r9c7-(2=8)r9c5=>r9c1<>8

January 26, 2014