0	18.9305	0
18.9305	19.060348	4
19.060348	19.140348	1
19.140348	19.300348	2
19.300348	19.343911	3
19.343911	19.480348	4
19.480348	19.580348	1
19.580348	19.721373	2
19.721373	19.768556	3
19.768556	19.920348	4
19.920348	20.000348	1
20.000348	20.155005	2
20.155005	20.197694	3
20.197694	20.360348	4
20.360348	20.440348	1
20.440348	20.600348	2
20.600348	20.640314	3
20.640314	20.800348	4
20.800348	20.880348	1
20.880348	21.027886	2
21.027886	21.064397	3
21.064397	21.244703	4
21.244703	30.88	0