Here, we have to select 12 numbers greater than `-1` and less than `2`.
Difference between `-2` and `1 = 1-(-2) = 3`.
So, we can select these `12` numbers with difference of `3/12`.
These numbers can be,
`-9/12,-6/12,-3/12,0/12,3/12,6/12,9/12,12/12,15/12,18/12,21/12,23/12`.