0, default 1;
1, a.aif -1;
5, c.aif -1;
9, e.aif 1;
10, e.aif -1;
11, f.aif 1;
12, f.aif -1;
13, g1+2.aif -1;
15, h.aif 1;
16, h.aif 1;
20, j.aif 1;
21, k.aif -1;
22, k.aif 1;
23, l.aif 1;
24, l.aif 1;