1970-01-11	1970-01-02	original
0000-00-00	1970-01-03	
0000-00-00	1970-01-04	
1970-02-10	1970-01-05	original
0000-00-00	1970-01-06	
0000-00-00	1970-01-07	
1970-03-12	1970-01-08	original
===============
1970-01-11	1970-01-02	original
1970-01-16	0000-00-00	
1970-01-21	0000-00-00	
1970-01-26	0000-00-00	
1970-01-31	0000-00-00	
1970-02-05	0000-00-00	
1970-02-10	1970-01-05	original
1970-02-15	0000-00-00	
1970-02-20	0000-00-00	
1970-02-25	0000-00-00	
1970-03-02	0000-00-00	
1970-03-07	0000-00-00	
1970-03-12	1970-01-08	original