0	18.583	0
18.583	18.675387	1
18.675387	18.799875	2
18.799875	18.890696	3
18.890696	19.038672	4
19.038672	19.123229	1
19.123229	19.260244	2
19.260244	19.330709	3
19.330709	19.48808	4
19.48808	19.563242	1
19.563242	19.700257	2
19.700257	19.783249	3
19.783249	19.937488	4
19.937488	20.014216	1
20.014216	20.145751	2
20.146534	20.235006	3
20.235006	20.393943	4
20.393943	20.462842	1
20.462842	20.617864	2
20.617864	20.682848	3
20.682848	20.837871	4
20.837871	20.913816	1
20.913816	21.296	0