value,sourceX,sourceY,targetX,targetY
100,2000,1,2001,0,100
100,2000,1,2001,1,100
10,2000,1,2001,2,10
10,2000,1,2001,3+,10
100,2000,2,2001,2,100
120,2000,2,2001,0,120
100,2001,1,2002,1,100
10,2002,1,2003,2,10
90,2002,1,2003,1,90