Rechteck doppelt

5*5 5*5 (25.Problem)
id = 144
time = 00:00:00.1
unique solutions = 0
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 07:42:27 up 66 days, 13:52, 0 user, load average: 5.13, 5.37, 5.42