Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 15:53:13 up 70 days, 22:03, 2 users, load average: 3.73, 3.81, 4.03