read1
0 -0.4 -0.5 0.2 0.5 
read2
0 -0.4 -0.5 0.2 0.5 0.8 
read3
0 -0.4 -0.5 0.2 0.5 
read4
0 -0.4
-0.5 0.2
0.5 0.8
read5
0 -0.4
-0.5 0.2
0.5 0.8