Period	Faktiska veckor   läsåret 11/12
e1	34, 40, 47, 4, 11, 18, 24
e2	35, 41, 48, 5, 12, 19
e3	36, 42, 49, 6, 13, 20
e4	37, 43, 50, 7, 15, 21
e5	38, 45, 51, 2, 9, 16, 22
e6	39, 46, 3, 10, 17, 23
ht	34-43, 45-51, 2       (period 111)
vt	3-7, 9-13, 15-24     (period 112)
v1	34, 38, 42, 47, 51-2, 6, 11, 16, 20, 24
v2	35, 39, 43, 48, 3, 7, 12, 17, 21
v3	36, 40, 45, 49, 4, 9, 13, 18, 22
v4	37, 41, 46, 50, 5, 10, 15, 19, 23