mass8_8
t	x	y
1.072	19.535	115.875
1.136	5.46	110.293
1.2	-3.519	103.741
1.264	-1.335	99.13
1.344	1.82	94.277
1.408	5.217	89.909
1.472	7.5	87
1.536	13.75	90.625
1.6	24.625	102.375
1.68	36.5	114.125