Question 874669
16C2 = 120 ways, 120/15 = 8 , 8 pairings per week for 15 weeks
If You were to break them into 2 groups of 8
and then match between the two groups you could use
something like
(1,2) (1,3) (1,4) (1,5) (1,6) (1,7) (1,8) (2,1) 
(2,3) (2,4) (2,5) (2,6) (2,7) (2,8) (3,4) (3,5) 
(3,6) (3,7) (3,8) (4,5) (4,6) (4.7) (4,8) (5,6) 
(5,7) (5,8) (6,7) (6,8) (5',7') (5',8') (6',7') (6',8') 
remaining Other group of 8
(1'2') etc like above
(2',3') etc
(3'6') etc
Remaining 8 weeks mix the 2 groups
(1,1')(2,2') (3,3') (4,4') (5,5') (6.6') (7,7')(8,8') 1 Grouping
other seven Like Above with mixed
15 weeks - 8 groupings