Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 15:07:50 up 66 days, 21:18, 0 user, load average: 5.87, 5.55, 5.39