Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 10:47:52 up 72 days, 16:58, 2 users, load average: 4.87, 5.06, 5.11