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 | 00:57:39 up 72 days, 7:07, 0 user, load average: 5.05, 5.18, 5.15