[WvStoreKey]
Idx Prev Next Value 
1 1 2 -1 
2 1 3 -1 
3 2 4 -1 
4 3 5 -1 
5 4 6 -1 
6 5 7 -1 
7 6 8 -1 
8 7 9 -1 
9 8 10 -1 
10 9 11 -1 
11 10 12 -1 
12 11 12 -1 
