t01a	t11	1	t31
t01b	t11	2	t31
t01c	t11	3	t31
t02	t11	4
t02	t12	5	t31这里的ID不与上面合并
t03	t12	6
t03	t13	7
t03	t13	8

t01	t11	1	t31
t01	t11	2	t31
t01	t11	3	t31
t02	t11	4
t02	t12	5	t31
t03	t12	6
t03	t13	7
t03	t13	8