no	time	pertask
40	6.6	9.9
50	14.9	17.8
60	18.4	18.4
45	12.4	16.5
40	7.9	11.9
10	0.9	5.5
30	5.5	11.0
20	2.7	8.1
50	12.6	15.1
30	6.7	13.3
65	23.6	21.8
40	9.2	13.8
65	20.2	18.6
65	21.4	19.8