Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 12:50:55 up 70 days, 19:01, 2 users, load average: 4.61, 4.03, 4.01