Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 18:22:50 up 66 days, 33 min, 0 user, load average: 5.05, 5.14, 5.15