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by **ArkieTech** » Sat May 09, 2015 10:30 pm

Code: Select all: *-----------* |4..|..1|96.| |...|.2.|...| |631|7..|.2.| |---+---+---| |..7|1..|.5.| |9..|...|..6| |.4.|..9|7..| |---+---+---| |.7.|..2|813| |...|.7.|...| |.86|9..|..4| *-----------*

by **SteveG48** » Sun May 10, 2015 12:42 am

Code: Select all: *---------------------------------------------------------------------* | 4 25 258 | 358 358 1 | 9 6 7 | | 7 9 58 | 458 2 6 | 1345 348 158 | | 6 3 1 | 7 9 458 | 45 2 58 | *-----------------------+----------------------+----------------------| | b28 6 7 | 1 c348 c348 |c234 5 9 | | 9 125 235 | 23458 3458 7 | 1234 348 6 | |ag128 4 235 | 2356-8 356-8 9 | 7 3-8 h128 | *-----------------------+----------------------+----------------------| | 5 7 9 | 46 46 2 | 8 1 3 | | f123 e12 4 | 358 7 358 | 6 9 e25 | | 23 8 6 | 9 1 35 |d25 7 4 | *---------------------------------------------------------------------*

(8)r6c1 = r4c1 - (8=342)r4c567 - (2)r9c7 = (2*1)r8c29 - (1)r8c1 = r6c1 - (1*2=8)r6c9 => -8 r6c458 ; stte

by **Leren** » Sun May 10, 2015 1:18 am

Code: Select all: *--------------------------------------------------------------* | 4 25 258 | 358 358 1 | 9 6 7 | | 7 9 58 | 458 2 6 | 1345 348 158 | | 6 3 1 | 7 9 458 | 45 2 58 | |--------------------+--------------------+--------------------| | 28 6 7 | 1 348 348 | 234 5 9 | | 9 125 235 | 23458 3458 7 | 1234 348 6 | |c128 4 235 | 23568 3568 9 | 7 38 b128 | |--------------------+--------------------+--------------------| | 5 7 9 | 46 46 2 | 8 1 3 | |d123 e1-2 4 | 358 7 358 | 6 9 a25 | | 23 8 6 | 9 1 35 | 25 7 4 | *--------------------------------------------------------------*

L2 Wing : (2) r8c9 = (2-1) r6c9 = r6c1 - r8c1 = (1) r8c2 => - 2 r8c2; stte

Leren

by **SteveG48** » Sun May 10, 2015 2:43 am

Code: Select all: *--------------------------------------------------------------------* | 4 d25 258 | 358 358 1 | 9 6 7 | | 7 9 58 | 458 2 6 | 1345 348 158 | | 6 3 1 | 7 9 458 | 45 2 58 | *----------------------+----------------------+----------------------| | 28 6 7 | 1 348 348 | 234 5 9 | | 9 d125 235 | 23458 3458 7 |c1234 348 6 | | 128 4 235 | 23568 3568 9 | 7 38 b128 | *----------------------+----------------------+----------------------| | 5 7 9 | 46 46 2 | 8 1 3 | | 123 1-2 4 | 358 7 358 | 6 9 a25 | | 23 8 6 | 9 1 35 | 25 7 4 | *--------------------------------------------------------------------*

Pursuing Leren's line of thought:

(2)r8c9 = (2-1)r6c9 = r5c7 - (1=52)r15c2 => -2 r8c2 ; stte

by **Marty R.** » Sun May 10, 2015 4:52 am

Code: Select all: +--------------+----------------+--------------+ | 4 25 258 | 358 358 1 | 9 6 7 | | 7 9 58 | 458 2 6 | 1345 348 158 | | 6 3 1 | 7 9 458 | 45 2 58 | +--------------+----------------+--------------+ | 28 6 7 | 1 348 348 | 234 5 9 | | 9 125 235 | 23458 3458 7 | 1234 348 6 | | 128 4 235 | 23568 3568 9 | 7 38 128 | +--------------+----------------+--------------+ | 5 7 9 | 46 46 2 | 8 1 3 | | 123 12 4 | 358 7 358 | 6 9 25 | | 23 8 6 | 9 1 35 | 25 7 4 | +--------------+----------------+--------------+

Play this puzzle online at the Daily Sudoku site

M-Wing (12): (1=2)r8c2-r8c9=(2-1)r6c9=1r6c1=>r5c2,r8c1<>1

by **Ngisa** » Sun May 10, 2015 12:35 pm

Code: Select all: +---------------+----------------+--------------+ | 4 25 258 | 358 358 1 | 9 6 7 | | 7 9 58 | 458 2 6 | 1345 348 158 | | 6 3 1 | 7 9 458 | 45 2 58 | +---------------+----------------+--------------+ | 28 6 7 | 1 348 348 | 234 5 9 | | 9 25-1 235 | 23458 3458 7 | a1234 348 6 | | 128 4 2358 | 23568 3568 9 | 7 38 b128 | +---------------+----------------+--------------+ | 5 7 9 | 46 46 2 | 8 1 3 | | 123 d12 4 | 358 7 358 | 6 9 c25 | | 23 8 6 | 9 1 35 | 25 7 4 | +---------------+----------------+--------------+

(1)r5c7=(1-2)r6c9=r8c9-(2=1)r8c2 => -1r5c2; stte

May 10, 2015