Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 14:08:04 up 65 days, 20:18, 0 user, load average: 4.87, 5.07, 5.16