Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 01:23:50 up 68 days, 7:34, 0 user, load average: 6.43, 5.85, 5.53