A  1   1.0
A  1   2.0
A  1   3.0
A  1   1.1
A  1   2.1
A  1   3.1
B  2   1.0
B  2   2.0
B  2   3.0
C  3   1.0
C  3   2.0
C  3   3.0
C  3   3.0
C  3   2.0
C  3   3.0
A  1   10.22