Rechteck mit Löcher

15.Problem
id = 136
time = 00:00:00.3
unique solutions = 0
select solution
animate       
XML
Rolf LANG - Remsstr. 39 - 71384 Weinstadt | 22:27:34 up 78 days, 4:37, 1 user, load average: 4.80, 5.12, 5.25