Rechteck doppelt

4*10 4*10 (60.Problem)
id = 151
status = stop
time = 00:00:00.1
unique solutions = 1
using part
animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 23:11:43 up 63 days, 5:22, 2 users, load average: 7.29, 7.06, 6.69