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by **ArkieTech** » Fri May 19, 2017 11:06 pm

Code: Select all: *-----------* |.3.|...|...| |59.|4..|..1| |...|7..|2.9| |---+---+---| |.8.|.5.|...| |...|...|...| |.2.|..3|986| |---+---+---| |..1|9..|..8| |3..|...|..7| |7..|.8.|.6.| *-----------*

by **SteveG48** » Fri May 19, 2017 11:58 pm

Code: Select all: *--------------------------------------------------------------------* | 68 3 27 | 25 19 19 | 68 457 e45 | | 5 9 27 | 4 236 268 | 68 37 1 | | 68 1 4 | 7 36 568 | 2 3-5 9 | *----------------------+----------------------+----------------------| | 19 8 d36 |c26 5 2469 | 7 12 d34 | | 19 7 36 | 8 2469 2469 | 45 12 345 | | 4 2 5 | 1 7 3 | 9 8 6 | *----------------------+----------------------+----------------------| | 2 456 1 | 9 a46 7 | 3 a45 8 | | 3 456 8 |b256 1246 12456 | 145 9 7 | | 7 45 9 | 3 8 145 | 145 6 2 | *--------------------------------------------------------------------*

(5=46)r7c58 - 6r8c4 = r4c4 - (6=34)r4c39 - (4=5)r1c9 => -5 r3c8 ; stte

Or:

Code: Select all: *--------------------------------------------------------------------* |c68 3 27 | 25 19 19 |c68 457 45 | | 5 9 27 | 4 b236 c268 |c68 37 1 | |c68 1 4 | 7 b36 c568 | 2 3-5 9 | *----------------------+----------------------+----------------------| | 19 8 36 | 26 5 2469 | 7 12 34 | | 19 7 36 | 8 2469 2469 | 45 12 345 | | 4 2 5 | 1 7 3 | 9 8 6 | *----------------------+----------------------+----------------------| | 2 456 1 | 9 a46 7 | 3 a45 8 | | 3 456 8 | 256 1246 12456 | 145 9 7 | | 7 45 9 | 3 8 145 | 145 6 2 | *--------------------------------------------------------------------*

(5=46)r7c58 - (6=23)r237c5 - (2=5)r13c1,r23c6,r12c7[68DP] => -5 r3c8 ; stte

by **Marty R.** » Sat May 20, 2017 12:13 am

Code: Select all: +-----------+----------------+-------------+ | 68 3 27 | 25 19 19 | 68 457 45 | | 5 9 27 | 4 236 268 | 68 37 1 | | 68 1 4 | 7 36 568 | 2 35 9 | +-----------+----------------+-------------+ | 19 8 36 | 26 5 2469 | 7 12 34 | | 19 7 36 | 8 2469 2469 | 45 12 345 | | 4 2 5 | 1 7 3 | 9 8 6 | +-----------+----------------+-------------+ | 2 456 1 | 9 46 7 | 3 45 8 | | 3 456 8 | 256 1246 12456 | 145 9 7 | | 7 45 9 | 3 8 145 | 145 6 2 | +-----------+----------------+-------------+

Play this puzzle online at the Daily Sudoku site

DP (68) r13c1, r23c6, r12c7 externals
6r2c5=6r3c5=> 4r7c5

by **Sudtyro2** » Sat May 20, 2017 6:46 pm

Nice DP(68) solutions from Steve and Marty!
All I can offer is a messy kraken cell...

Code: Select all: *--------------------------------------------------------------------* | 68 3 27 | 25 19 19 | 68 f457 e45 | | 5 9 27 | 4 236 268 | 68 37 1 | | 68 1 4 | 7 36 568 | 2 35 9 | |----------------------+----------------------+----------------------| | 19 8 d36 |c26 5 2469 | 7 12 d34 | | 19 7 36 | 8 2469 2469 | 45 12 345 | | 4 2 5 | 1 7 3 | 9 8 6 | |----------------------+----------------------+----------------------| | 2 46-5 1 | 9 46 7 | 3 g45 8 | | 3 a456 8 |b256 1246 12456 | 145 9 7 | | 7 45 9 | 3 8 145 | 145 6 2 | *--------------------------------------------------------------------*

Kraken (456)r8c2.

Code: Select all: 6r8c2 - r8c4 = r4c4 - (6=34)r4c39 - r1c9 = r1c8 - (4=5)r7c8 - 5r7c2; 4r8c2 - (4=5)r9c2 - 5r7c2; 5r8c2 - 5r7c2; stte

SteveC

by **JC Van Hay** » Sat May 20, 2017 7:43 pm

Code: Select all: +-------------+---------------------+----------------+ | 68 3 27 | 2(5) 19 19 | 68 457 45 | | 5 9 27 | 4 236 268 | 68 37 1 | | 68 1 4 | 7 36 68(5) | 2 3(5) 9 | +-------------+---------------------+----------------+ | 19 8 36 | 26 5 2469 | 7 12 34 | | 19 7 36 | 8 2469 2469 | 45 12 345 | | 4 2 5 | 1 7 3 | 9 8 6 | +-------------+---------------------+----------------+ | 2 456 1 | 9 (46) 7 | 3 (45) 8 | | 3 456 8 | 2-6(5) 1246 12456 | 145 9 7 | | 7 45 9 | 3 8 145 | 145 6 2 | +-------------+---------------------+----------------+

[(5)r8c4=(5)r1c4-(5)r3c6=(5)r3c8-(5=4=6)r7c85]-(6)r8c4; stte

May 20, 2017