Group	Before	After
T	18	24
T	18	25
T	21	33
T	18	29
T	18	33
T	20	36
T	23	34
T	23	36
T	21	34
T	17	27
C	18	29
C	24	29
C	20	24
C	18	26
C	24	38
C	22	27
C	15	22
C	19	31