B A B ONUUU NOW UO ULUINOD UIWON C D Smallest Distance = 2 Merge {A B} into M.* Note: {C D} can be merged into another cluster (N) at the same time since. Calculations C - - M = MIN((|1-5| + [1-2) , (2-5| + (2-21)) = MIN (5, 3) = 3 D - - M = MIN((|1-6| + |1-1| , (2-6| + (2-1))) = MIN (5, 5) = 4 C - - D= (5-6| + |2-1| = [-1| + |1| = 2