Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 14:43:34 up 70 days, 20:53, 2 users, load average: 3.45, 3.72, 3.89