The New Sudoku Players' Forum

by **eleven** » Fri Mar 17, 2017 8:08 pm

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

by **Cenoman** » Fri Mar 17, 2017 8:48 pm

Code: Select all: +------------------+-----------------+----------------------+ |a456 789 2 |b68 3 1 | 689 467 C57 | |A56 78 13 | 9 2 4 | 368 367 B1357 | |w46 x89 13 | 5 x68 7 |x3689 2346 123 | +------------------+-----------------+----------------------+ | 1 23 8 | 4 5 6 | 7 23 9 | | 79 23 5 | 37 1 29 | 4 8 6 | | 79 4 6 | 378 78 29 | 5 1 23 | +------------------+-----------------+----------------------+ | 8 1 4 | 2 d67 5 |y36 9 z3-7 | | 3 6 7 | 1 9 8 | 2 5 4 | | 2 5 9 |c67 4 3 | 1 67 8 | +------------------+-----------------+----------------------+

Kraken column (6)r123c1 => -7 r7c9; stte

Code: Select all: (6)r1c1 - r1c4 = r9c4 - (6=7)r7c5 - 7r7c9 (6-5)r2c1 = r2c9 - (5=7)r1c9 - 7r7c9 (6)r3c1 - (6=3)r3c257 - r7c7 = (3)r7c9 - 7r7c9

Cenoman

by **eleven** » Sat Mar 18, 2017 12:53 pm

Code: Select all: *----------------------------------------------------* | c456 789 2 | d68 3 1 | 689 b467 b57 | | 56 78 b13 | 9 2 4 | 368 b367 b1357 | | 46 89 13 | 5 68 7 | 3689 2346 123 | |----------------+---------------+-------------------| | 1 23 8 | 4 5 6 | 7 23 9 | | 79 23 5 | 37 1 29 | 4 8 6 | | 79 4 6 | 378 78 29 | 5 1 23 | |----------------+---------------+-------------------| | 8 1 4 | 2 67 5 | 36 9 37 | | 3 6 7 | 1 9 8 | 2 5 4 | | 2 5 9 | e67 4 3 | 1 a67 8 | *----------------------------------------------------* 7r9c8=r12c8-(7=5)r1c9 \ -(4|5=6)r1c1-r1c4=r9c4 => -6r9c8, stte (7=6)r9c8-(6=4)r1c89,r2c389 /

Looks harder than it was to find. If r9c8 is not 7, then 5,7,and 4 fall into place in box3.

by **SteveG48** » Sat Mar 18, 2017 2:20 pm

Code: Select all: *-----------------------------------------------------------* |b456 789 2 |b68 3 1 | 689 b467 bd57 | | 56 78 c13 | 9 2 4 | 368 c367 c1357 | | 46 89 13 | 5 68 7 | 3689 2346 123 | *-------------------+-------------------+-------------------| | 1 23 8 | 4 5 6 | 7 23 9 | | 79 23 5 | 37 1 29 | 4 8 6 | | 79 4 6 | 378 78 29 | 5 1 23 | *-------------------+-------------------+-------------------| | 8 1 4 | 2 7-6 5 |e36 9 e37 | | 3 6 7 | 1 9 8 | 2 5 4 | | 2 5 9 |a67 4 3 | 1 b7-6 8 | *-----------------------------------------------------------*

6r9c4 = ((4567)r1c1489)&(6r9c8) - (6|7=135)r2c389 - (5=7)r1c9 - (7=36)r7c79 => -6 r7c5,r9c8 ; stte

Triangle 2