Set #1
1: 1
IMBALANCE 0.00000

Set #2
1: 1 2
IMBALANCE 0.00000

Set #3
1: 1 10
2: 2 9
3: 3 8
4: 4 7
5: 5 6
IMBALANCE 0.00000

Set #4
1:
2: 1
IMBALANCE 1.00000

