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16 x 16 broken?

Submitted by: barclay

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1. Unique possibilities to 56.
2. Whether b4=1=f5;OR b8=1;f8=9.UP81.
11/Jan/18 12:24 AM
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Stunning photo.
11/Jan/18 1:08 AM
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Gorgeous photo, Kate.
11/Jan/18 4:48 AM
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Basics to 56
1.W-wing 18 b8-f5 f8<>1 => f8=9 solve
OR 1.UR-tip2 45 L2-L6 Ca- Cc Basics to 59
2.W-wing 18 b8-f5 f8<>1 => f8=9 solve
11/Jan/18 5:07 AM
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#29 4@h23=>h7<>4
#57 1?@f8=>c59=1=>f8<>1
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 in 3X3 Box for this More...
11/Jan/18 6:28 AM
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Basics to 56
1. 7-oddagon (or broken wing) (1)e9,c9,b8,b4,h4,h6,e6 with two guardians 1e8,1e4 =>-1e9; singles to 81.

This technique is also known as 'broken wing'
Single-digit candidates cannot form a closed loop with an odd number of strong links.
In today's grid, the seven More...
11/Jan/18 8:48 AM
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14:38
11/Jan/18 11:27 PM
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