```
"initialising data"
"initialising Data.List"
"initialising Data.List of Ints"
"initialising Data.Vector"
"initialising Data.Bimap"
"initialising Data.RandomAccessList"
"initialising Data.Sequence"
"finish initialising data"
testing Prelude.!! 
0.506219
testing Data.Vector.! 
0.062874
testing Data.Bimap.! 
0.185166
testing Data.RandomAcessList.lookup 
0.109375
testing Data.Sequence.index
0.05967

```