Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 21:01:20 up 69 days, 3:11, 2 users, load average: 4.95, 4.65, 4.57