Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 02:34:53 up 68 days, 8:45, 0 user, load average: 4.60, 5.12, 5.36