Rechteck doppelt

5*5 5*5 (25.Problem)
id = 144
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 05:24:41 up 66 days, 11:34, 0 user, load average: 5.56, 5.62, 5.66