Rechteck mit Löcher

22.Problem
id = 141
status = stop: max solutions reached
time = 00:00:00.1
unique solutions = 1
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 21:59:10 up 65 days, 4:09, 0 user, load average: 4.16, 4.05, 3.94