0-1 copy
0-2
0-3
1-1
1-2
1-3
10-1
10-2
10-3
11-1
11-2
11-3
12-1
12-2
12-3
13-1
13-2
13-3
14-1
14-2
14-3
15-1
15-2
15-3
16-1
16-2
16-3
17-1
17-2
17-3
