Rechteck mit Löcher

degenerated
id = 32
time = 00:00:00.3
unique solutions = 0
using part
animate    
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 07:10:42 up 72 days, 13:21, 0 user, load average: 5.56, 5.14, 5.16