The New Sudoku Players' Forum

by **tarek** » Tue Jan 28, 2020 8:07 pm

Code: Select all: +-------+-------+-------+ | . . 5 | . . . | . . . | | . . 2 | . 3 5 | . . 4 | | 6 1 . | 4 . . | . . . | +-------+-------+-------+ | . . 1 | . 7 . | . 9 . | | . 3 . | 9 . . | 2 . . | | . 4 . | . . 8 | 7 . 5 | +-------+-------+-------+ | . . . | . 8 1 | . . 7 | | . . . | 6 . . | . 2 . | | . 2 . | . . 3 | 5 . . | +-------+-------+-------+ ..5........2.35..461.4.......1.7..9..3.9..2...4...87.5....81..7...6...2..2...35..

by **Leren** » Tue Jan 28, 2020 8:59 pm

Code: Select all: *-------------------------------------------------* | 4 789 5 | 18 269 69 | 139 137 129 | | 79 789 2 | 18 3 5 | 169 167 4 | | 6 1 3 | 4 29 7 | 89 5 289 | |-----------------+------------+------------------| | 8 6 1 | 5 7 2 | 4 9 3 | | 5 3 7 | 9 146 c46 | 2 168 b168 | | 2 4 9 | 3 16 8 | 7 16 5 | |-----------------+------------+------------------| | 39 5 46 | 2 8 1 | 369 346 7 | | 1379 79 e48 | 6 5 d49 | 1389 2 189 | | 19 2 f 48-6 | 7 49 3 | 5 1468 a169-8 | *-------------------------------------------------*

(6) r9c9 = r5c9 - (6=4) r5c6 - r8c6 = (4-8) r8c3 = (8) r9c3 => - 6 r9c3, - 8 r9c9; stte

Leren

by **Cenoman** » Tue Jan 28, 2020 10:23 pm

Code: Select all: +---------------------+------------------+------------------------+ | 4 789 5 | 18 269 69 | 139 137 129 | | 79 789 2 | 18 3 5 | 169 167 4 | | 6 1 3 | 4 29 7 | 89 5 289 | +---------------------+------------------+------------------------+ | 8 6 1 | 5 7 2 | 4 9 3 | | 5 3 7 | 9 146 e46 | 2 168 d168 | | 2 4 9 | 3 16 8 | 7 16 5 | +---------------------+------------------+------------------------+ | 39 5 46* | 2 8 1 | b369 346* 7 | | 1379 79 g48 | 6 5 f49 | 1389 2 189 | | 19 2 ha48-6* | 7 49 3 | 5 1468* ca1689 | +---------------------+------------------+------------------------+

UR(46)r79c38 using mixed internal-externals
(8)r9c3|(6)r9c9 == (6)r7c7 - r9c9 = r5c9 - (6=4)r5c6 - r8c6 = (4-8)r8c3 = (8)r9c3 => -6 r9c3; ste

by **SteveG48** » Wed Jan 29, 2020 12:14 am

Code: Select all: *-----------------------------------------------------------* | 4 c789 5 | 18 269 69 | 139 137 129 | |b79 b789 2 | 18 3 5 | 169 a167 4 | | 6 1 3 | 4 29 7 | 89 5 289 | *-------------------+-------------------+-------------------| | 8 6 1 | 5 7 2 | 4 9 3 | | 5 3 7 | 9 146 46 | 2 a168 168 | | 2 4 9 | 3 16 8 | 7 a16 5 | *-------------------+-------------------+-------------------| | 39 5 46 | 2 8 1 | 369 346 7 | | 1379 d79 48 | 6 5 d49 | 1389 2 189 | | 19 2 468 | 7 9-4 3 | 5 a1468 1689 | *-----------------------------------------------------------*

(4=1687)r2569c8 - 7r2c12 = 7r1c2 - (7=94)r8c26 => -4 r9c5 ; stte

by **pjb** » Wed Jan 29, 2020 1:34 am

Code: Select all: 4 d789 5 | 18 269 69 | 139 c137 129 79 789 2 | 18 3 5 | 169 167 4 6 1 3 | 4 29 7 | 89 5 289 ------------------------+----------------------+--------------------- 8 6 1 | 5 7 2 | 4 9 3 5 3 7 | 9 146 46 | 2 168 168 2 4 9 | 3 16 8 | 7 16 5 ------------------------+----------------------+--------------------- 39 5 a46 | 2 8 1 | 369 b346 7 1379 e79 8-4 | 6 5 f49 | 1389 2 189 19 2 468 | 7 49 3 | 5 1468 1689

(4)r7c3 = (4-3)r7c8 = (3-7)r1c8 = r1c2 - (7=9)r8c2 - (9=4)r8c6 => -4 r8c3; stte

Phil

January 28, 2020