0
7
16
7
16
7
16
7
16
7
16
7
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
7
0
7
0
7
0
7
0
7
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
7
0
7
0
7
0
7
0
7
0
0
0
0
0
0
0
0
0
0
0
0
0
7
16
7
16
7
16
7
16
7
16
7
0
0
0
0
0
0
0
0
0
0
0
0
26
200
