The New Sudoku Players' Forum

by **tarek** » Thu Jun 11, 2020 8:27 pm

Code: Select all: +-------+-------+-------+ | . . . | 4 5 9 | . . . | | . . . | . . . | . . . | | 8 9 5 | 7 . . | . . . | +-------+-------+-------+ | 3 . . | 8 1 . | . . 4 | | . . . | . . 4 | . . 5 | | . . 9 | . . 6 | 2 . 8 | +-------+-------+-------+ | . 1 . | 9 . . | 6 . . | | 2 . 7 | . . . | 5 . . | | . 3 . | . . 8 | 4 . . | +-------+-------+-------+ ...459............8957.....3..81...4.....4..5..9..62.8.1.9..6..2.7...5...3...84..

by **Cenoman** » Fri Jun 12, 2020 9:06 am

Code: Select all: +--------------------+-------------------+----------------------+ | a167* 267 3-1 | 4 5 9 | 8 23 2367* | | 67* 2467 34 | 16 8 123 | 139 5 23679* | | 8 9 5 | 7 c36 123 | 13 4 b236 | +--------------------+-------------------+----------------------+ | 3 67 2 | 8 1 5 | 79 69 4 | | 167 678 d18 | 2 9 4 | 37 36 5 | | 4 5 9 | 3 7 6 | 2 1 8 | +--------------------+-------------------+----------------------+ | 5 1 d48 | 9 c34 7 | 6 238 23 | | 2 48 7 | 16 346 13 | 5 389 39 | | 9 3 6 | 5 2 8 | 4 7 1 | +--------------------+-------------------+----------------------+

UR(67)r12c19 using mixed internal-external (1r1c1==6r3c9)
(1)r1c1 == (6)r3c9 - (6=34)r37c5 - (4=81)r57c3 => -1 r1c3; ste

by **pjb** » Fri Jun 12, 2020 12:49 pm

Code: Select all: 167 267 b13 | 4 5 9 | 8 a23 2367 67 2467 c34 | 16 8 123 | 139 5 23679 8 9 5 | 7 36 123 | 13 4 236 ------------------------+----------------------+--------------------- 3 67 2 | 8 1 5 | 79 69 4 167 678 18 | 2 9 4 | 37 36 5 4 5 9 | 3 7 6 | 2 1 8 ------------------------+----------------------+--------------------- 5 1 d48 | 9 34 7 | 6 e38-2 23 2 48 7 | 16 346 13 | 5 389 39 9 3 6 | 5 2 8 | 4 7 1

(2=3)r1c8 - r1c3 = (3-4)r2c3 = (4-8)r7c3 = r7c8 => -2 r7c8; stte

Phil

by **Sudtyro2** » Sat Jun 13, 2020 7:19 pm

Code: Select all: +----------------+--------------+------------------+ | 167 267 a13* | 4 5 9 | 8 d2-3 2367 | | 67 2467 b34* | 16 8 123 | 139 5 23679 | | 8 9 5 | 7 36 123 | 13 4 236 | +----------------+--------------+------------------+ | 3 67 2 | 8 1 5 | 79 69 4 | | 167 678 18 | 2 9 4 | 37 36 5 | | 4 5 9 | 3 7 6 | 2 1 8 | +----------------+--------------+------------------+ | 5 1 b48 | 9 34 7 | 6 c238 23 | | 2 48 7 | 16 346 13 | 5 389 39 | | 9 3 6 | 5 2 8 | 4 7 1 | +----------------+--------------+------------------+

Kraken (3)r12c3, using Phil's same five cells.
(3)r1c3 = (3-48)r27c3 = (8-2)r7c8 = (2)r1c8 => -3 r1c8; stte

SteveC

by **SteveG48** » Sat Jun 13, 2020 10:08 pm

Code: Select all: *--------------------------------------------------------------------* | 167 267 a13 | 4 5 9 | 8 a23 367-2 | | 67 2467 34 | 16 8 123 | 139 5 3679-2 | | 8 9 5 | 7 36 123 | 13 4 36-2 | *----------------------+----------------------+----------------------| | 3 67 2 | 8 1 5 | 79 69 4 | | 167 678 b18 | 2 9 4 | 37 36 5 | | 4 5 9 | 3 7 6 | 2 1 8 | *----------------------+----------------------+----------------------| | 5 1 b48 | 9 c34 7 | 6 38-2 c23 | | 2 48 7 | 16 346 13 | 5 389 39 | | 9 3 6 | 5 2 8 | 4 7 1 | *--------------------------------------------------------------------*

(2=31)r1c38 - (1=84)r57c3 - (4=32)r7c59 => -2 r123c9,r7c8 ; stte

by **SpAce** » Mon Jun 15, 2020 11:42 pm

Cenoman wrote:UR(67)r12c19 using mixed internal-external (1r1c1==6r3c9)
(1)r1c1 == (6)r3c9 - (6=34)r37c5 - (4=81)r57c3 => -1 r1c3; ste

I had exactly the same solution, but couldn't post it at the time. I was expecting you'd come up with the same, and you did!

June 11, 2020