0.0	silence
11.136825396	a
20.127482993	b
29.033378684	a
37.965646258	b
46.972970521	a
56.121269841	b
65.10664399	a
74.167596371	b
83.125328798	a
92.016122448	b
101.320068027	a
110.556553287	b
119.673809523	a
128.669523809	b
137.705623582	a
147.137823129	b
156.349455782	a
165.632607709	b
174.822290249	a
183.630657596	b
192.630249433	a
201.816258503	b
294.870204081	End