,x,y,x,y,x,y,x,y,x,y
aaa,3,14,4,22,6,26,8,32,10,45
bbb,4,12,5,23,6,28,7,30,8,35
ccc,7,9,8,20.1,9,22,10,27,12,31.2
ddd,9,8,11,9,12,12.1,14,13,16,14.3
