Gene clustering: 2001: 62
Clustering:   Unmark pairs
A B H K X Y
A B F H K M
A B C E H K
A C F H K L M
A B H L X
C F G K L P T
D E G O R S W
A B H K X Z
Cluster: A B H K
A B F H K M
A B H K X Y
A B H K X Z
A B C E H K
4
4
4
4
5
4
Cluster: A F H K M
A B F H K M
A C F H K L M
Cluster: A B H K X
4
A B H K X Y
A B H K X Z