my %clusters = 
(	
	cluster1_TS => ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
	cluster1_SA => ['h7'],
	cluster2_TS => ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
	cluster2_SA => ['h7'],
	cluster3_TS => ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
	cluster3_SA => ['h7'],
	cluster4_TS => ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
	cluster4_SA => ['h7'],
	cluster5_TS => ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
	cluster5_SA => ['h7'],
);