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 | 20:48:36 up 67 days, 2:58, 1 user, load average: 6.19, 5.89, 5.60