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Tough Sudoku for 23/November/2013


Choose a number, and place it in the grid above.

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Submitted by: Gath

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23/Nov/13 12:17 AM
23/Nov/13 1:08 AM
1. Unique possibilities to 65.
2. Whether a9=8;OR a2=8=d1;d9=2.UP81.
23/Nov/13 6:10 AM
23/Nov/13 6:44 AM
(26) 1@de4=>def5<>1
(63) 2@bc7=>i7<>2
(66) 8?@a9=>bd1=8=>a9<>8
VHBC to (81)
V:Only cell left in Vertical column for this candidate
H:Only cell left in Horizontal row for this candidate
B:Only cell left More...
23/Nov/13 6:45 AM
P-2012 19/11/2013
#1. [(4=8)b1-8b4=8c5-(8=4)c9]-4b79
#2. b1=4 or b1=8=h3,g1=9=i8;a8=8=g9,i9=2,i6=5,a6=4 :=> -4b4a13
#3. b4=8 or c4=8,e4=3;[h4=9 or Skyscraper(9f16,h36),d3=1,e1=8,g1=1=h4];g4=4=a7,a8=9,a6=5 :=> -5b4
#5. [5f8=(5-7)f5=(7-8)i5=8i8]-5i8
23/Nov/13 9:10 AM
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