Matrix: sum of indexes

Let m[i][j] be a two dimensional array of size n * n. Let m[i][j] = i + j. Indexation starts from 1 (m[1][1] is a left upper corner of the matrix). Print the array.

Input

One positive integer n (n < 50).

Output

Print the two dimensional array. Each number must be printed in 2 positions.

Examples