seq1	4	*	0	0	*	*	0	0	NAAAAAAAAACCCCCCCCCCGGGGGGGGGGTTTTTTTTN	++++++++++@@@@@@@@@@##########........>
seq2	4	*	0	0	*	*	0	0	RAAAAAAAAACCCCCCCCCCGGGGGGGGGGTTTTTTTTY	<<<<<<<<<<!!!!!!!!!!##########@@@@@@@@@
