factor	datum
b1	30
b1	20
b1	20
b1	30
b1	30
b1	30
b1	25
b1	20
b1	30
b1	20
b1	25
b1	7
b1	1
b1	20
b1	50
b1	10
b1	25
b1	10
b1	20
b1	35
b1	10
b1	25
b1	5
b1	10
b2	25
b2	25
b2	50
b2	20
b2	40
b2	10
b2	25
b2	30
b2	25
b2	30
b2	25
b2	30
b2	60
b2	40
b2	5
b2	65
b2	25
b2	40
b2	10
b2	5
b2	48
b2	20
b2	75
b2	30
b3	25
b3	40
b3	25
b3	40
b3	20
b3	50
b3	50
b3	40
b3	30
b3	40
b3	40
b3	38
b3	9
b3	40
b3	22.5
b3	20
b3	25
b3	30
b3	20
b3	35
b3	40
b3	40
b3	20
b3	40
b4	20
b4	5
b4	5
b4	10
b4	10
b4	10
b4	0
b4	10
b4	15
b4	10
b4	10
b4	25
b4	30
b4	0
b4	22.5
b4	5
b4	25
b4	20
b4	50
b4	25
b4	2
b4	15
b4	0
b4	20