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 | 22:51:26 up 69 days, 5:01, 0 user, load average: 4.86, 4.83, 4.83