WEEK 1
1+2
3+4
5+6
WEEK 2
1+3
2+5
4+6
WEEK 3
1+4
2+6
3+5
WEEK 4
1+5
3+2
WEEK 5
1+6
2+4
WEEK 6
WEEK 7
3+6
WEEK 8
2+3
4+5