Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 19:35:36 up 71 days, 1:45, 2 users, load average: 6.49, 5.74, 5.38