Author: Gerd Isenberg
Date: 13:18:51 06/20/04
a1-----------------------------\
^ b1
^ c1--------------/ \-------------d1
^ e1-----/ \-----f1 g1-----/ \-----h1
^ a2-/ \-b2 c2-/ \-d2 e2-/ \-f2 g2-/ \-h2
|a3 b3 c3 d3 e3 |f3| g3 h3 a4 b4 c4 d4 e4 f4 g4 h4
a5b5c5d5e5f5g5h5a6b6c6d6e6f6g6h6 a7b7c7d7e7f7g7h7a8b8c8d8e8f8 h8
\/\/\/\/\/\/\/\/\/\/||\/\/\/\/\/ \/\/\/\/\/\/\/\/\/\/\/\/\/\/ \/
/
g8----------------------------/
f8--------------/ \-------------e8
d8-----/ \-----c8 b8-----/ \-----a8
h7-/ \-g7 f7-/ \-e7 d7-/ \-c7 b7-/ \-a7
h6 g6 f6 e6 d6 |c6| b6 a6 h5 g5 f5 e5 d5 c5 b5 a5
h4g4f4e4d4c4b4a4h3g3f3e3d3c3b3a3 h2g2f2e2d2c2b2a2h1g1f1e1d1c1 a1
\/\/\/\/\/\/\/\/\/\/||\/\/\/\/\/ \/\/\/\/\/\/\/\/\/\/\/\/\/\/ \/
All nodes except b1,g8 and h8 occur twice due to "topology" reasons ;-)
\/ are vertices to the duplicated tree.
2**26 different ways (Euler Cycles) to traverse all 64 squares!
Takes 57 seconds now!
With my board mapping the direct cycle is between f3 and c6.
Cheers,
Gerd
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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