Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 20:15:50 up 70 days, 2:26, 0 user, load average: 3.96, 3.62, 3.63