The New Sudoku Players' Forum

by **tarek** » Thu May 14, 2020 10:41 am

Code: Select all: +-------+-------+-------+ | . . 1 | 7 . . | 9 . . | | . . . | 3 . . | 4 . . | | 8 . . | 4 . . | . 7 2 | +-------+-------+-------+ | 3 9 5 | . . . | . . 1 | | . . . | . . . | . 6 . | | . . . | . . 1 | . 9 4 | +-------+-------+-------+ | 2 1 . | . . . | . . . | | . . 3 | . 5 9 | . . . | | . . 7 | 1 . 4 | . . 8 | +-------+-------+-------+ ..17..9.....3..4..8..4...72395.....1.......6......1.9421.........3.59.....71.4..8

by **Leren** » Thu May 14, 2020 11:26 am

Code: Select all: *-----------------------------------------------* | 456 2346 1 | 7 28 2568 | 9 58 356 | | 567 267 269 | 3 19 2568 | 4 158 56 | | 8 36 a69 | 4 a19 56 | 356-1 7 2 | |---------------+--------------+----------------| | 3 9 5 | 6 4 78 | 78 2 1 | | 1 247 248 | 9 2378 2378 | 3578 6 357 | | 67 267 268 | 5 2378 1 | 378 9 4 | |---------------+--------------+----------------| | 2 1 b46 | 8 37 37 | 56 45 9 | |c46 8 3 | 2 5 9 |c167 14 c67 | | 9 5 7 | 1 6 4 | 2 3 8 | *-----------------------------------------------*

(1=6) r3c35 - (6=4) r7c3 - (4=1) r8c179 => - 1 r3c7; stte

Leren

by **SteveG48** » Thu May 14, 2020 6:43 pm

Code: Select all: *-----------------------------------------------------------* | 456 2346 1 | 7 28 2568 | 9 58 356 | | 567 267 269 | 3 19 2568 | 4 158 56 | | 8 36 a69 | 4 a19 56 | 356-1 7 2 | *-------------------+-------------------+-------------------| | 3 9 5 | 6 4 78 | 78 2 1 | | 1 247 248 | 9 2378 2378 | 3578 6 357 | | 67 267 268 | 5 2378 1 | 378 9 4 | *-------------------+-------------------+-------------------| | 2 1 b46 | 8 37 37 |c56 c45 9 | | 46 8 3 | 2 5 9 |c167 14 c67 | | 9 5 7 | 1 6 4 | 2 3 8 | *-----------------------------------------------------------*

(1=96)r3c35 - (6=4)r7c3 - (4=5671)b9p1246 => -1 r3c7 ; stte

Arrg. Almost the same as Leren.

So maybe a little different:

Code: Select all: *-----------------------------------------------------------* | 456 2346 1 | 7 28 2568 | 9 58 356 | | 567 267 269 | 3 19 2568 | 4 b158 56 | | 8 36 c69 | 4 c19 56 |c135-6 7 2 | *-------------------+-------------------+-------------------| | 3 9 5 | 6 4 78 | 78 2 1 | | 1 247 248 | 9 2378 2378 | 3578 6 357 | | 67 267 268 | 5 2378 1 | 378 9 4 | *-------------------+-------------------+-------------------| | 2 1 4-6 | 8 37 37 |a56 a45 9 | | 46 8 3 | 2 5 9 | 167 a14 67 | | 9 5 7 | 1 6 4 | 2 3 8 | *-----------------------------------------------------------*

(6=451)b9p125 - 1r2c8 = (196)r3c357 => -6 r3c7,r7c3 ; stte

by **Cenoman** » Thu May 14, 2020 10:00 pm

Code: Select all: +---------------------+---------------------+---------------------+ | 456 2346 1 | 7 28 2568 | 9 58 y356 | | 567 267 a269 | 3 19 2568 | 4 158 y56 | | 8 Ca36 9-6* | 4 19 Ca56 |zC1356* 7 2 | +---------------------+---------------------+---------------------+ | 3 9 5 | 6 4 78 | 78 2 1 | | 1 247 248 | 9 2378 2378 | 3578 6 357 | | 67 267 a268 | 5 2378 1 | 378 9 4 | +---------------------+---------------------+---------------------+ | 2 1 46* | 8 37 37 | A56 45 9 | | 46* 8 3 | 2 5 9 | B167* 14 xB67 | | 9 5 7 | 1 6 4 | 2 3 8 | +---------------------+---------------------+---------------------+

5-link oddagon (6)r38, c37, b7 having six guardians
(6)r26c3, r3c26
(6)r7c7 - (6=71)r8c79 - (1=356)r3c267
(6)r8c9 - r12c9 = (6)r3c7
=> -6 r3c3; ste

by **tarek** » Fri May 15, 2020 7:21 am

Code: Select all: +----------------+----------------+----------------+ | 456 2346 1 | 7 28 2568 | 9 58 356 | | 567 267 26-9 | 3 a19 2568 | 4 b158 56 | | 8 36 f69 | 4 19 56 | 1356 7 2 | +----------------+----------------+----------------+ | 3 9 5 | 6 4 78 | 78 2 1 | | 1 247 248 | 9 2378 2378 | 3578 6 357 | | 67 267 268 | 5 2378 1 | 378 9 4 | +----------------+----------------+----------------+ | 2 1 e46 | 8 37 37 | 56 45 9 | |d46 8 3 | 2 5 9 | 167 c14 67 | | 9 5 7 | 1 6 4 | 2 3 8 | +----------------+----------------+----------------+

(9=1)r2c5 - r2c8 = r8c8(4) - r8c1 = r7c3(6) - r3c3 (6=9) => r2c3<>9, stte => r2c3<>9, stte

May 14, 2020