[Retros] Diagram correction (Re: 'Tis the season...)
Noam Elkies
elkies at math.harvard.edu
Sun Dec 30 13:35:39 EST 2007
Yet another variation (no Arabian Nights this time):
...................
: . _ . _ . _ . _ :
: _ . _ . _ . _ . :
: . _ . _ . _ . _ :
: _ . _ . P . _ . :
: P _ . _ . _ Q _ :
: _ . _ P B . R . :
: . P P _ B P P P :
: _ N _ K _ . N R :
:.................:
Noam D. Elkies, 30.xii.07
How many minimal sequences?
Happy New Year,
--NDE
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