[Retros] A SPG admitting a false skeleton.
dupont at agat.univ-lille1.fr
Tue May 7 04:51:59 EDT 2002
Dear retro friends,
Let's consider the following problem :
SPG in 18. (C+).
The solution is of course obvious. The interesting fact is that the
"extracting" problem in 16 crashes.
Does such a phenomenon already has been observed ?
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