A	3.1	3.6	2.2
A	4.5	2.9	2.1
A	4.6	4.0	1.8
A	4.3	2.3	2.3
B	8.2	9.2	3.0
B	11.0	6.1	3.7
B	8.8	4.9	3.8
B	7.2	12.4	2.9
C	4.3	4.4	2.3
C	4.5	3.5	2.5
C	6.3	3.1	2.4
C	7.6	4.0	2.2
D	4.5	5.6	3.0
D	7.1	10.2	3.6
D	6.6	7.1	3.1
D	6.2	3.8	3.3