4 -> 4; reordering clusters 5 -> 5; reordering clusters 6 -> 6; reordering clusters 7 -> 7; reordering clusters 8 -> 8; reordering clusters 9 -> 9; reordering clusters 10 -> 10; reordering clusters merge_slow.m was run 9 -> 4; reordering clusters 10 -> 5; reordering clusters 11 -> 6; reordering clusters 12 -> 7; reordering clusters 13 -> 8; reordering clusters 14 -> 9; reordering clusters That took 2.063513 seconds