Rechteck mit Löcher

70.Problem
id = 165
status = timer expired
time = 00:30:00.2
unique solutions = 0
select solution
animate       
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 20:17:56 up 78 days, 2:28, 1 user, load average: 4.80, 4.89, 4.90