clone_id	clonotype_id	v_beta	j_beta	junction_aa_beta	v_alpha	j_alpha	junction_aa_alpha
pair1	type1	TRBV19	TRBJ2-7	CASSIRSSYEQYF	TRAV12-1	TRAJ33	CAVRDSNYQLIW
pair2	type2				TRAV12-1	TRAJ33	CAVRDTNYQLIW