x	y	Data.Set
15	"42"	1
16	"35"	1
17	"45"	1
18	"42"	1
19	"49"	1
20	"46"	1
5	"16"	2
10	"32"	2
15	"44"	2
20	"45"	2
25	"63"	2
50	"115"	2
5	"8"	3
10	"16"	3
15	"22"	3
20	"23"	3
25	"31"	3
50	"60"	3