1.502990	3.073462	call 1 
3.834159	4.242113	whistle 1 
6.640763	6.919890	whistle 2
6.919890	7.223555	whistle 3
7.886098	7.993454	whistle 4
10.324623	10.533201	whistle 5
11.872089	12.129745	call 2
12.312251	13.025404	call 3
12.916514	14.238532	call 4
12.967125	13.264656	call 5
13.264656	13.990079	whistle 6
14.252335	14.809055	call 5
15.106586	15.416386	call 6
15.382645	16.088130	call 7
16.117270	17.008328	whistle 7
16.756808	17.591121	call 8
17.358004	18.554261	call 9
18.535857	18.627877	whistle 8
18.735234	19.391642	call 10
19.334896	19.753586	call 11
19.844072	20.357850	whistle 9
20.005107	20.960579	call 12
20.980517	21.577112	call 13
21.693671	22.472772	whistle 10
23.796323	24.099989	whistle 11
24.068548	24.514845	call 13
24.318536	24.780168	whistle 12
24.682014	25.330754	whistle 13
25.224164	25.773215	call 14
26.225646	26.685745	call 15
26.997079	27.426505	 call 16 
28.452526	28.846677	whistle 14
28.977039	29.664120	call 17
29.763808	30.184032	call 18
30.460091	30.702410	whistle 15
30.657934	31.202384	call 19
31.217721	31.782109	call 20
31.487646	31.804347	whistle 16
31.786710	32.227638	call 21
32.450020	33.081889	whistle 17
32.964564	33.380953	call 22
33.673883	34.058066	call 23
34.179198	34.872337	call 24
34.927945	35.029762	whistle18
35.180138	35.302318	whistle 19
35.359107	36.205003	whistle 20
35.878216	36.354821	call 25
36.364751	37.241010	call 26
37.460781	37.815803	whistle 21
37.733087	38.769308	call 27
38.089112	38.799289	call 28
38.973555	39.781170	call 29
39.822394	40.456640	call 30
41.316639	42.157527	whistle 22
41.778363	42.258433	call 31
42.250789	42.944903	call 32
43.129899	43.626787	call 33
43.406627	43.811782	call 34
44.634812	45.577484	call 35
45.746159	46.324356	call 36
46.369636	46.975684	whistle 23
46.785858	47.541677	whistle 24
47.653134	48.147725	call 37
49.064633	49.550517	call 38
49.361562	49.842221	call 39
49.981542	50.671183	whistle 25
50.845335	51.238918	call 40
51.726542	52.360455	call 41
52.162792	52.959537	whistle 26
52.999591	53.727546	call 42
53.737995	54.572181	call 43
54.613978	55.239182	call 44
55.274013	56.862276	call 45
56.641104	57.121762	call 46
57.393439	57.915894	whistle 27
58.337341	58.734407	whistle 28
58.751823	59.653928	call 47