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by **ArkieTech** » Sat Jun 08, 2013 11:58 pm

Code: Select all: *-----------* |...|.7.|...| |..4|8..|1..| |.3.|9..|..2| |---+---+---| |21.|5..|.94| |...|2.3|...| |98.|..1|.37| |---+---+---| |1..|7.9|.8.| |..8|..6|5..| |...|.5.|...| *-----------*

by **pjb** » Sun Jun 09, 2013 1:24 am

Code: Select all: 56 269 b1269 |a136 7 245 | 39 456 8 567 2679 4 | 8 36 25 | 1 567 39 8 3 167 | 9 16 45 | 47 4567 2 ---------------------+----------------------+--------------------- 2 1 3 | 5 8 7 | 6 9 4 467 467 67 | 2 9 3 | 8 1 5 9 8 5 | 46 46 1 | 2 3 7 ---------------------+----------------------+--------------------- 1 5 26 | 7 234 9 | 34 8 36 347 d2479 8 | 134 1234 6 | 5 247 e139 3467 24679 c2679 | 34-1 5 8 | 3479 247 f1369

(1) r1c4 = (1-9) r1c3 = r9c3 -r8c2 = (9-1) r8c9 = r9c9 => -1 r9c4; stte

Phil

by **Leren** » Sun Jun 09, 2013 9:36 am

Code: Select all: *-----------------------------------------------------------------------* | 56 269 d1269 |e136 7 245 | 39 456 8 | | 567 2679 4 | 8 36 25 | 1 567 39 | | 8 3 167 | 9 16 45 | 47 4567 2 | |-----------------------+-----------------------+-----------------------| | 2 1 3 | 5 8 7 | 6 9 4 | | 467 467 67 | 2 9 3 | 8 1 5 | | 9 8 5 | 46 46 1 | 2 3 7 | |-----------------------+-----------------------+-----------------------| | 1 5 26 | 7 234 9 | 34 8 36 | | 347 b2479 8 | 134 1234 6 | 5 247 a39-1 | | 3467 24679 c2679 |f134 5 8 | 3479 247 g136-9 | *-----------------------------------------------------------------------*

Similar: (9) r8c9 = r8c2 - r9c3 = (9-1) r1c3 = r1c4 - r9c4 = r9c9 => - 1 r8c9, - 9 r9c9; stte

Leren

by **ArkieTech** » Sun Jun 09, 2013 11:42 am

Code: Select all: *--------------------------------------------------------------------* | 56 269 1269 | 136 7 245 | 39 456 8 | | 567 2679 4 | 8 36 25 | 1 567 c39 | | 8 3 167 | 9 16 45 | 47 4567 2 | |----------------------+----------------------+----------------------| | 2 1 3 | 5 8 7 | 6 9 4 | | 467 467 67 | 2 9 3 | 8 1 5 | | 9 8 5 | 46 46 1 | 2 3 7 | |----------------------+----------------------+----------------------| | 1 5 b26 | 7 a234 9 | 34 8 c36 | | 347 2479 8 |a134 234-1 6 | 5 247 c139 | | 3467 24679 2679 |a134 5 8 | 3479 247 1369 | *--------------------------------------------------------------------* (134=2)r7c5,r89c4-(2=3)-(3=1)r278c9 => -1r8c8; ste

by **Marty R.** » Sun Jun 09, 2013 11:15 pm

Code: Select all: +-----------------+--------------+----------------+ | 56 269 1269 | 136 7 245 | 39 456 8 | | 567 2679 4 | 8 36 25 | 1 567 39 | | 8 3 167 | 9 16 45 | 47 4567 2 | +-----------------+--------------+----------------+ | 2 1 3 | 5 8 7 | 6 9 4 | | 467 467 67 | 2 9 3 | 8 1 5 | | 9 8 5 | 46 46 1 | 2 3 7 | +-----------------+--------------+----------------+ | 1 5 26 | 7 234 9 | 34 8 36 | | 347 2479 8 | 134 1234 6 | 5 247 139 | | 3467 24679 2679 | 134 5 8 | 3479 247 1369 | +-----------------+--------------+----------------+

Play this puzzle online at the Daily Sudoku site

1r3c5=(1-2)r8c5=r7c5-(2=6)r7c3-(6=3)r7c9-(39=1)r28c9=>r8c5<>1

by **tlanglet** » Sun Jun 09, 2013 11:43 pm

Code: Select all: *--------------------------------------------------------------------* | 56 269 d1269 |c136 7 245 | 39 456 8 | | 567 2679 4 | 8 36 25 | 1 567 *39 | | 8 3 167 | 9 16 45 | 47 4567 2 | |----------------------+----------------------+----------------------| | 2 1 3 | 5 8 7 | 6 9 4 | | 467 467 67 | 2 9 3 | 8 1 5 | | 9 8 5 | 46 46 1 | 2 3 7 | |----------------------+----------------------+----------------------| | 1 5 e26 | 7 234 9 | 34 8 f-36 | | 347 2479 8 |a134 a1234 6 | 5 247 *139 | | 3467 24679 2679 |b134 5 8 | 3479 247 1369 | *--------------------------------------------------------------------*

ANS(39=1)r28c9-r8c45=r9c4-r1c4=(1-2)r1c3=(2-6)r7c3=6r7c9 => r7c9<>3

Ted

Daily Telegraph Diabolical June 7, 2013