0
double-penetration
0
0
0
0
20K
0
4K
0
33K
0
0
0
27K
0
31K
17K
0
2K
0
8K
0
8K
0
0
0
0
0
0
0
0
25K
0
0
0
0
0
0
0
0
0
0
0
0
0
0
34K
0
0
0
