colA	colB	colC	colD	colE
1	A	1	a	zz
1	A	2	b	zz
1	B	3	c	zz
2	B	4	d	zz
2	C	5	a	zz
3	C	6	b	zz
3	D	7	c	zz
3	D	8	d	zz
3	E	9	a	zz
