The New Sudoku Players' Forum

by **tarek** » Fri May 01, 2020 7:29 pm

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

by **Leren** » Fri May 01, 2020 10:03 pm

Code: Select all: *-----------------------------------------------* | 9 46 2 | 4678 45678 567 | 578 1 3 | | 5 7 8 |a13 39 b19 | 2 4 6 | | 1 3 46 | 24678 45678 2567 | 578 89 579 | |------------+-------------------+--------------| | 8 256 1 | 9 34567 2567 | 456 37 25 | | 3 256 567 | 2467 1 2567 | 4568 89 259 | | 4 9 567 |e267-3 3567 8 | 156 37 d125 | |------------+-------------------+--------------| | 67 58 59 | 1678 6789 3 | 17 2 4 | | 2 48 49 | 5 789 c19 | 3 6 d17 | | 67 1 3 | 67 2 4 | 9 5 8 | *-----------------------------------------------*

(3=1) r2c4 - r2c6 = r8c6 - r8c9 = (1-2) r6c9 = (2) r6c4 => - 3 r6c4; stte

Leren

by **pjb** » Mon May 04, 2020 10:10 pm

Code: Select all: 9 46 2 | 4678 45678 567 | 578 1 3 5 7 8 |b13 39 a19 | 2 4 6 1 3 46 | 24678 45678 2567 | 578 89 579 ------------------------+----------------------+--------------------- 8 256 1 | 9 34567 2567 | 456 37 25 3 256 567 | 2467 1 2567 | 4568 89 259 4 9 567 |c2367 3567 8 | 156 37 d125 ------------------------+----------------------+--------------------- 67 58 59 | 1678 6789 3 | 17 2 4 2 48 49 | 5 789 9-1 | 3 6 e17 67 1 3 | 67 2 4 | 9 5 8

(1)r2c6 = (1-3)r2c4 = (3-2)r6c4 = (2-1)r6c9 = r8c9 => -1 r8c6; stte

Phil

by **Cenoman** » Tue May 05, 2020 5:05 pm

Code: Select all: +-------------------+-------------------------+--------------------+ | 9 46 2 | 4678 45678 567 | 578 1 3 | | 5 7 8 | d13 39 19 | 2 4 6 | | 1 3 46 | 24678 45678 2567 | 578 89 579 | +-------------------+-------------------------+--------------------+ | 8 256 1 | 9 34567 2567 | 456 37 25 | | 3 256 567 | 2467 1 2567 | 4568 89 259 | | 4 9 567 | d2367 3567 8 | 156 37 e25-1 | +-------------------+-------------------------+--------------------+ | 67* 58 59 |dc18-67* 6789 3 | 17 2 4 | | 2 48 49 | 5 789 b19 | 3 6 a17 | | 67* 1 3 | 67* 2 4 | 9 5 8 | +-------------------+-------------------------+--------------------+

UR(67)r79c14 using internals
(1)r8c9 = r8c6 - (1==8)r7c4 - (132)r267c4 = (2)r9c4 => -1 r9c4, -67 r7c4; ste

by **SteveG48** » Wed May 06, 2020 12:20 am

Code: Select all: *--------------------------------------------------------------------* | 9 46 2 | 4678 45678 567 | 578 1 3 | | 5 7 8 |c13 39 19 | 2 4 6 | | 1 3 46 | 24678 45678 2567 | 578 89 579 | *----------------------+----------------------+----------------------| | 8 256 1 | 9 34567 2567 | 456 37 25 | | 3 256 567 | 2467 1 2567 | 4568 89 259 | | 4 9 567 |b2367 3567 8 |a156 37 b125 | *----------------------+----------------------+----------------------| | 67 58 59 |c1678 6789 3 | 7-1 2 4 | | 2 48 49 | 5 789 19 | 3 6 17 | | 67 1 3 | 67 2 4 | 9 5 8 | *--------------------------------------------------------------------*

1r6c7 = (12-3)r6c49 = (31)r27c4 => -1 r7c7 ; stte

April 28, 2020