Pairings of Swimmers for Backstroke and Freestyle

Gender=F

Obs	Name	Back	Free
1	Andrea	0	1
2	Carole	1	0
3	Ellen	0	1
4	Jan	1	2
5	Karin	2	0
6	Susan	2	2

N = 6

Gender=M

Obs	Name	Back	Free
7	Clayton	0	0
8	Curtis	2	1
9	Doug	1	0
10	Jimmy	0	1
11	Mick	2	2
12	Richard	2	2
13	Sam	1	1

N = 7