Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 20:11:37 up 66 days, 2:21, 0 user, load average: 5.64, 5.86, 5.60