t1|F1|t
t1|F2|t
t1|F3|t
t1|F4|t
t1|F5|t
t1|F6|t
t2|t
t3|t
t4|0
t5|t
ERROR:  Two or more faces found
ERROR:  Two or more faces found
ERROR:  Corrupted topology (see #5946)
