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List of Solving Techniques

Submitted by: SudokuMan

Indicate which comments you would like to be able to see
I elected to blog this one.... Hopefully, the technique highlit is at least as clear as mud.

Cheers!
Steve
15/Aug/09 7:16 PM
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"Flutterby, flutterby ... fly away home!" I love the way the color of the leaves shows through the wings!
16/Aug/09 12:21 AM
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Beautiful butterfly, Sue!
16/Aug/09 12:41 AM
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WOW!
16/Aug/09 1:54 AM
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maEn! 12:55 Worked on e1 at the only critical step. That did it!
16/Aug/09 2:51 AM
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Good eye, Judy! (I just sat there and was amazed by how the sap green color of the butterfly matched the leaf! Shows you how observant I was!)
16/Aug/09 3:54 AM
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11:10
16/Aug/09 4:27 AM
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Although not necessarily faster, I found this puzzle easier and less complicated than the Hard one.
16/Aug/09 4:50 AM
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1. Note pair 49 at a45 and later 78 at i45.Unique possibilities to 39.
2. If e1=6,h3=6 (to avoid the 38 unresolvable rectangle at ch13),pair 14 at ef3, and 156 have no place in row 2.Hence e1=7.UPs to 81.
16/Aug/09 10:46 AM
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At 39 filled, FC shows that f8 cannot = 9... therefore i8 = 9 and puzzle unfolds.
16/Aug/09 3:14 PM
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Very good picture Sue
16/Aug/09 5:24 PM
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Alfred, very nice use of AUR 38 in your solution. One could make a, imo, simpler chain:
(AUR38)ch13 => (1)c3 = (6)h13 - (6=3)h2 - (3=1)d2 => ef3<>1 UP 81
16/Aug/09 9:51 PM
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Alfred, I have erred. Sorry, apparently I forgot about the possibility of (6) still at d2. Ignore my suggestion. I should have written:

(AUR38)ch13 => (3)h2 = (1) c3 - (1)a2 = (1)d2 => d2<>3 UP 81
16/Aug/09 10:04 PM
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14:13
22/Aug/09 10:02 PM
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