0
double-penetration
13K
31K
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27K
22K
0
0
0
27K
0
0
0
0
14K
0
0
0
