a1,3.1,11.7,a
a2,3.0,1.3,a
a3,1.9,0.1,a
a4,3.8,0.04,a
a5,4.1,1.1,a
a6,1.9,0.4,a
b1,8.3,1.0,b
b2,3.8,0.2,b
b3,3.9,0.6,b
b4,7.8,1.2,b
b5,9.1,0.6,b
b6,15.4,3.6,b
b7,7.7,1.6,b
b8,6.5,0.4,b
b9,5.7,0.4,b
b10,13.6,1.6,b
c1,10.2,6.4,c
c2,9.2,7.9,c
c3,9.6,3.1,c
c4,53.8,2.5,c
c5,15.8,7.6,c
u1,5.1,0.4,b
u2,12.9,5.0,c
u3,13.0,0.8,b
u4,2.6,0.1,a
u5,30.0,0.1,o
u6,20.5,0.8,o