Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 00:48:53 up 71 days, 6:59, 0 user, load average: 3.36, 3.64, 3.84