Rechteck mit Löcher

70.Problem
id = 165
status = timer expired
time = 00:30:00.2
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 08:05:46 up 71 days, 14:16, 0 user, load average: 5.15, 5.41, 5.50