Fill the empty cells using numbers from 1 to 16 each only once such that
1) Each row, column and two main diagonals give a magic sum of 34
2) Each 2 x 2 square marked in the same colour gives the sum of 34
3) The center 2 x 2 marked in brown border gives a sum of 34
4) Group of cells in boxes within dotted lines is a cage.
Cage sum is mentioned at the top in red colour