"pair"	"pot"	"cross"	"self"	"diff"
1	"1"	23.5	17.375	6.125
2	"1"	12	20.375	-8.375
3	"1"	21	20	1
4	"2"	22	20	2
5	"2"	19.125	18.375	0.75
6	"2"	21.5	18.625	2.875
7	"3"	22.125	18.625	3.5
8	"3"	20.375	15.25	5.125
9	"3"	18.25	16.5	1.75
10	"3"	21.625	18	3.625
11	"3"	23.25	16.25	7
12	"4"	21	18	3
13	"4"	22.125	12.75	9.375
14	"4"	23	15.5	7.5
15	"4"	12	18	-6