Rechteck doppelt

5*5 5*5 (25.Problem)
id = 144
time = 00:00:00.3
unique solutions = 0
select not used parts

animate    
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Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 21:46:23 up 76 days, 3:56, 2 users, load average: 5.22, 5.02, 4.95