Rechteck doppelt

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

animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 01:32:32 up 74 days, 7:42, 0 user, load average: 4.98, 4.82, 4.78