gistfile1.txt

Input: Initial State = [2, 3, 4, 5] | Unlock Code = [5, 4, 3, 2] 
Output: Rotations required = 8
Explanation : 1st ring is rotated 3 times as 2 => 3 => 4 => 5
              2nd ring is rotated 1 time as 3 => 4
              3rd ring is rotated 1 time as 4 => 3
              4th ring is rotated 3 times as 5 => 4 => 3 =>2

Input: Initial State = [1, 9, 1, 9] | Unlock Code = [0, 0, 0, 0] 
Output: Rotations Required = 4
Explanation : 1st ring is rotated 1 time as as 1 => 0
              2nd ring is rotated 1 time as 9 => 0
              3rd ring is rotated 1 time as 1 => 0
              4th ring is rotated 1 time as 9 => 0
              
Input: Initial State = [0, 0, 0] | Unlock Code = [3, 1, 8] 
Output: Rotations Required = 6
Explanation: 1st ring is rotated 3 times as 0 => 1 => 2 => 3
             2nd ring is rotated 1 time as 0 => 1
             3rd ring is rotated 2 times as 0 => 9 => 8