700 ns      0   
1100 ns     0   
1300 ns     0   
1500 ns     0   
1700 ns     0   
1900 ns     0   
2100 ns     0   
2300 ns     0   
2500 ns     0   
2700 ns     0   
2900 ns     0   
3100 ns     0   
3300 ns     0   
3500 ns     0   
3700 ns     0   
3900 ns     0   
4100 ns     0   
4300 ns     0   
4500 ns     0   
4700 ns     1