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 | 12:33:03 up 63 days, 18:43, 0 user, load average: 6.58, 6.38, 5.47