time,counter_out[3],counter_out[2],counter_out[1],counter_out[0],overflow_out
20,x,x,x,x,x
60,0,0,1,0,0
100,0,1,1,0,0
140,1,0,1,0,0
180,1,1,1,0,0
220,0,0,1,0,1
