merged_ID	child_1	child_2
node_1	cluster1_m136_homer_136.VNAGGKCAAAGGTCA	cluster1_m146_homer_146.TGACCTTTGCCCCA
node_2	cluster1_m133_homer_133.NRBCARRGGTCA	node_1
node_3	cluster1_m141_homer_141.YCTTTGTTCC	node_2
