Rechteck mit Löcher

22.Problem
id = 141
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 21:39:09 up 67 days, 3:49, 1 user, load average: 6.53, 6.46, 5.89