The New Sudoku Players' Forum

by **tarek** » Sat May 30, 2020 7:35 pm

Code: Select all: +-------+-------+-------+ | . . . | 6 9 . | . . . | | 8 . . | . . . | . 7 . | | 3 7 . | 8 . 4 | . . . | +-------+-------+-------+ | . . 5 | . . . | . 8 1 | | . 8 . | 7 . 1 | . 9 . | | 2 9 . | . . . | 4 . . | +-------+-------+-------+ | . . . | 4 . 9 | . 6 2 | | . 1 . | . . . | . . 8 | | . . . | . 3 8 | . . . | +-------+-------+-------+ ...69....8......7.37.8.4.....5....81.8.7.1.9.29....4.....4.9.62.1......8....38...

by **Cenoman** » Sat May 30, 2020 8:54 pm

Code: Select all: +--------------------+--------------------+-------------------+ | 1 5 4 | 6 9 7 | 8 2 3 | | 8 26 269 | 235 1 235 | 569* 7 4 | | 3 7 269 | 8 d25* 4 | c569# 1 569* | +--------------------+--------------------+-------------------+ | 7 46 5 | 9 24 23 | 236 8 1 | | f46 8 3 | 7 e245* 1 | 256* 9 b56# | | 2 9 1 | 35 8 6 | 4 35 7 | +--------------------+--------------------+-------------------+ | 5 3 8 | 4 7 9 | 1 6 2 | | g49 1 7 | 25 6 25 | 39 34 8 | | 46-9 246 26 | 1 3 8 | 7 45 a59 | +--------------------+--------------------+-------------------+

5-link oddagon (5)r35, c57, b3, two guardians
(9=5)r9c9 - (5)r5c9 == (5)r3c7 - r3c5 = (5-4)r5c5 = r5c1 - (4=9)r8c1 => -9 r9c1; ste

by **yzfwsf** » Sat May 30, 2020 8:59 pm

Code: Select all: .---------------.--------------.---------------. | 1 5 4 | 6 9 7 | 8 2 3 | | 8 26 269 | 235 1 235 | 569 7 4 | | 3 7 269 | 8 25 4 | 569 1 a56-9 | :---------------+--------------+---------------: | 7 46 5 | 9 24 23 | 236 8 1 | | c46 8 3 | 7 245 1 | 256 9 b56 | | 2 9 1 | 35 8 6 | 4 35 7 | :---------------+--------------+---------------: | 5 3 8 | 4 7 9 | 1 6 2 | | 49 1 7 | 25 6 25 | 39 34 8 | | d469 246 26 | 1 3 8 | 7 45 e59 | '---------------'--------------'---------------'

6r3c9=r5c9-r5c1=(6-9)r9c1=9r9c9 => -9r3c9;stte

by **SteveG48** » Sun May 31, 2020 2:20 am

Code: Select all: *--------------------------------------------------* | 1 5 4 | 6 9 7 | 8 2 3 | | 8 26 269 | 235 1 235 | 569 7 4 | | 3 7 269 | 8 25 4 | 569 1 569 | *----------------+----------------+----------------| | 7 46 5 | 9 24 23 | 236 8 1 | |c46 8 3 | 7 245 1 | 256 9 c56 | | 2 9 1 | 35 8 6 | 4 a3-5 7 | *----------------+----------------+----------------| | 5 3 8 | 4 7 9 | 1 6 2 | |b49 1 7 | 25 6 25 |b39 b34 8 | | 469 246 26 | 1 3 8 | 7 45 59 | *--------------------------------------------------*

3r6c9 = (394)r8c178 - (4=65)r5c19 => -5 r6c8 ; stte

by **SpAce** » Sun May 31, 2020 9:23 pm

Code: Select all: .-----------------.---------------.-----------------. | 1 5 4 | 6 9 7 | 8 2 3 | | 8 26 269 | 235 1 235 | 569 7 4 | | 3 7 269 | 8 25 4 | 569 1 569 | :-----------------+---------------+-----------------: | 7 46 5 | 9 24 23 | 236 8 1 | | a[4]6 8 3 | 7 245 1 | 256 9 a56 | | 2 9 1 | 35 8 6 | 4 b35 7 | :-----------------+---------------+-----------------: | 5 3 8 | 4 7 9 | 1 6 2 | | 9-4 1 7 | 25 6 25 | 39 b3(4) 8 | | 469 246 26 | 1 3 8 | 7 45 59 | '-----------------'---------------'-----------------'

XY-Chain (packed):

(4=65)r5c19 - (53=4)r68c8 => -4 r8c1; stte

by **pjb** » Sun May 31, 2020 11:01 pm

Code: Select all: 1 5 4 | 6 9 7 | 8 2 3 8 26 269 | 235 1 235 | 569 7 4 3 7 269 | 8 25 4 | 569 1 569 ------------------------+----------------------+--------------------- 7 46 5 | 9 24 23 | 236 8 1 a46 8 3 | 7 245 1 | 256 9 b56 2 9 1 | 35 8 6 | 4 35 7 ------------------------+----------------------+--------------------- 5 3 8 | 4 7 9 | 1 6 2 a49 1 7 | 25 6 25 | 3-9 34 8 46-9 246 26 | 1 3 8 | 7 45 b59

(9=6)r58c1 - (6=9)r59c9 => -9 r8c7, r9c1; stte

Phil

May 30, 2020