The New Sudoku Players' Forum

by **ArkieTech** » Tue Sep 20, 2016 11:18 pm

Code: Select all: *-----------* |..8|.65|1..| |75.|...|.6.| |9..|2..|.54| |---+---+---| |...|.59|...| |..2|...|9..| |...|34.|...| |---+---+---| |28.|..7|..6| |.6.|...|.83| |..3|81.|2..| *-----------*

by **JC Van Hay** » Tue Sep 20, 2016 11:35 pm

Code: Select all: +------------------+--------------+----------------+ | (34) 2 8 | 47 6 5 | 1 9(3) 79 | | 7 5 1-4 | 14 9 38 | 38 6 2 | | 9 13 6 | 2 78 138 | 378 5 4 | +------------------+--------------+----------------+ | 36-4 1347 147 | 167 5 9 | (34) 2 8 | | 346 1347 2 | 167 78 18 | 9 4(3) 5 | | 8 9 5 | 3 4 2 | 6 7 1 | +------------------+--------------+----------------+ | 2 8 9(4) | 59 3 7 | 5(4) 1 6 | | 1 6 79 | 59 2 4 | 57 8 3 | | 5 47 3 | 8 1 6 | 2 49 79 | +------------------+--------------+----------------+

{(43)r1c1, 3C8, (34)r4c7, 4R7} -> -{4r4c1, 4r2c3}; stte

by **Leren** » Wed Sep 21, 2016 12:06 am

Code: Select all: *--------------------------------------------------------------* |a34 2 8 | 47 6 5 | 1 b39 79 | | 7 5 1-4 | 14 9 38 | 38 6 2 | | 9 13 6 | 2 78 138 | 378 5 4 | |--------------------+--------------------+--------------------| | 346 1347 147 | 167 5 9 | 34 2 8 | | 346 1347 2 | 167 78 18 | 9 34 5 | | 8 9 5 | 3 4 2 | 6 7 1 | |--------------------+--------------------+--------------------| | 2 8 e49 | 59 3 7 | 45 1 6 | | 1 6 79 | 59 2 4 | 57 8 3 | | 5 d47 3 | 8 1 6 | 2 c49 79 | *--------------------------------------------------------------*

XY Wing with transport : (4=3) r1c1 - (3=9) r1c8 - (9=4) r9c8 - r9c2 = (4) r7c3 => - 4 r2c3; stte

Leren

by **SteveG48** » Wed Sep 21, 2016 12:27 am

Code: Select all: *-----------------------------------------------------------* |d34 2 8 | 47 6 5 | 1 c39 79 | | 7 5 14 | 14 9 38 | 38 6 2 | | 9 13 6 | 2 78 138 | 378 5 4 | *-------------------+-------------------+-------------------| | 36-4 a1347 147 | 167 5 9 | 34 2 8 | | 36-4 a1347 2 | 167 78 18 | 9 34 5 | | 8 9 5 | 3 4 2 | 6 7 1 | *-------------------+-------------------+-------------------| | 2 8 49 | 59 3 7 | 45 1 6 | | 1 6 79 | 59 2 4 | 57 8 3 | | 5 b47 3 | 8 1 6 | 2 c49 79 | *-----------------------------------------------------------*

4r45c2 = r9c2 - (4=39)r19c8 - (3=4)r1c1 => -4 r45c1 ; stte

by **Marty R.** » Wed Sep 21, 2016 1:50 am

Code: Select all: +--------------+------------+-----------+ | 34 2 8 | 47 6 5 | 1 39 79 | | 7 5 14 | 14 9 38 | 38 6 2 | | 9 13 6 | 2 78 138 | 378 5 4 | +--------------+------------+-----------+ | 346 1347 147 | 167 5 9 | 34 2 8 | | 346 1347 2 | 167 78 18 | 9 34 5 | | 8 9 5 | 3 4 2 | 6 7 1 | +--------------+------------+-----------+ | 2 8 49 | 59 3 7 | 45 1 6 | | 1 6 79 | 59 2 4 | 57 8 3 | | 5 47 3 | 8 1 6 | 2 49 79 | +--------------+------------+-----------+

Play this puzzle online at the Daily Sudoku site

Type 3 UR (38)r23c67 internals

7r3c7=1r3c6-(1=8)r5c6-(8=7)r5c5=> -7r3c5

by **pjb** » Wed Sep 21, 2016 6:24 am

Code: Select all: 34 2 8 |a47 6 5 | 1 39 9-7 7 5 14 |b14 9 c38 |c38 6 2 9 13 6 | 2 8-7 c138 |c378 5 4 ------------------------+----------------------+--------------------- 346 1347 147 | 167 5 9 | 34 2 8 346 1347 2 | 167 78 18 | 9 34 5 8 9 5 | 3 4 2 | 6 7 1 ------------------------+----------------------+--------------------- 2 8 49 | 59 3 7 | 45 1 6 1 6 79 | 59 2 4 | 57 8 3 5 47 3 | 8 1 6 | 2 49 79

(7=4)r1c4 - (4=1)r2c4 - (1=7)UR:r23c67 => -7 r1c9, r3c5; stte

Phil

by **bat999** » Wed Sep 21, 2016 10:09 am

Code: Select all: .-------------------.--------------.---------------. | 4-3 2 8 | 47 6 5 | 1 a39 79 | | 7 5 d14 | 14 9 38 | 38 6 2 | | 9 d13 6 | 2 78 138 | 78-3 5 4 | :-------------------+--------------+---------------: | 346 1347 147 | 167 5 9 | 34 2 8 | | 346 1347 2 | 167 78 18 | 9 34 5 | | 8 9 5 | 3 4 2 | 6 7 1 | :-------------------+--------------+---------------: | 2 8 c49 | 59 3 7 | 45 1 6 | | 1 6 79 | 59 2 4 | 57 8 3 | | 5 b47 3 | 8 1 6 | 2 a49 79 | '-------------------'--------------'---------------'

(3=4)r19c8 - r9c2 = r7c3 - (4=3)r2c3,r3c2 => -3 r1c1,r3c7; stte

by **Ngisa** » Wed Sep 21, 2016 6:33 pm

Code: Select all: +--------------+-----------+----------+ | 34 2 8 | 47 6 5 | 1 39 79 | | 7 5 c14 | 14 9 3 | 8 6 2 | | 9 b13 6 | 2 78 18 | a37 5 4 | +--------------+-----------+----------+ | 346 1347 147 | 167 5 9 | 34 2 8 | | 346 1347 2 | 167 78 18 | 9 34 5 | | 8 9 5 | 3 4 2 | 6 7 1 | +--------------+-----------+----------+ | 2 8 d49 | e59 3 7 | f45 1 6 | | 1 6 79 | 59 2 4 | g5-7 8 3 | | 5 47 3 | 8 1 6 | 2 49 79 | +--------------+-----------+----------+

(7=3)r3c7 - (3=1)r3c2 - (1=4)r2c3 - (4=9)r7c3 - (9=5)r7c4 - r7c7 = (5)r8c7 => -7 r8c7; stte

Clement

by **Sudtyro2** » Wed Sep 21, 2016 6:44 pm

Code: Select all: *-----------------------------------------------------------* |*34 2 8 | 47 6 5 | 1 *39 79 | | 7 5 14b | 14 9 38 | 38 6 2 | | 9 *13b 6 | 2 78 138 | 378 5 4 | |-------------------+-------------------+-------------------| | 346 g1347a 147 | 167 5 9 | 34e 2 8 | |g346 *1347 2 | 167 78 18 | 9 *4-3 5 | | 8 9 5 | 3 4 2 | 6 7 1 | |-------------------+-------------------+-------------------| | 2 8 49c | 59 3 7 | 45d 1 6 | | 1 6 79 | 59 2 4 | 57 8 3 | | 5 47 3 | 8 1 6 | 2 49 79 | *-----------------------------------------------------------*

Grids for the 3s, 4s and 7s all have viable Oddagons. Here's one for the 3s grid ...
5-link Oddagon(*) having two Guardians(g):

Code: Select all: 3r4c2 - (3=14)b1p68 - r7c3 = r7c7 - (4=3)r4c7 - 3r5c8; 3r5c1 - 3r5c8; stte

Or, the embedded Finned Kraken 1x1 Fish c2\r5 + rfr34c2.
Remote fins:

Code: Select all: 3r4c2 - (3=14)b1p68 - r7c3 = r7c7 - (4=3)r4c7 - 3r5c8; 3r3c2 - r1c1 = r1c8 - 3r5c8; stte

SteveC

September 21, 2016