Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.1
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 03:12:42 up 69 days, 9:23, 0 user, load average: 4.85, 4.87, 4.84