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 | 16:12:47 up 68 days, 22:23, 1 user, load average: 4.87, 4.84, 4.82