===Ordinary case===
16
1	a
2	b
0	a
2	b
8
0	0
===Replicated case===
all
2000-01-01	0	
2000-01-01	1	a
2000-01-01	3	c
2000-02-01	0	
2000-02-01	2	b
2000-02-01	4	d
w/o i 1
2000-01-01	0	
2000-01-01	0	a
2000-01-01	0	c
2000-02-01	0	
2000-02-01	2	b
2000-02-01	4	d
w/o is 1
2000-01-01	0	
2000-01-01	0	
2000-01-01	0	
2000-02-01	0	
2000-02-01	2	b
2000-02-01	4	d
w/o is 12
2000-01-01	0	
2000-02-01	0	
2000-01-01	0	
2000-02-01	0	
sizes
0
0