IDa,foo1,100,100,0
IDa,foo2,200,301,101
IDa,foo3,300,300,0
IDa,foo4,400,501,101

IDb,foo1,100,100,0
IDb,foo2,200,301,101
IDb,foo3,300,300,0
IDb,foo4,400,500,100

IDc,foo1,200,200,0
IDc,foo2,200,301,101
IDc,foo3,300,300,0
IDc,foo4,400,500,100

IDd,foo1,900,900,0
IDd,foo2,200,301,101
IDd,foo3,300,301,1
IDd,foo4,400,400,0