Rechteck doppelt

5*5 5*5 (25.Problem)
id = 144
status = stop
time = 00:00:00.0
unique solutions = 1
Missing part nbr

animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 23:03:38 up 62 days, 5:13, 0 user, load average: 4.74, 4.50, 4.35