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H. Rotate Matrix

time limit per test

2 secondsmemory limit per test

64 megabytesinput

standard inputoutput

standard outputYou are given a square matrix of integer numbers. Rotate it 90 degrees clockwise (see examples for clarification of rotation).

Input

The input consists of *n* lines (1 ≤ *n* ≤ 10, *n* is not given explicitly). Each of the lines contains *n* space-separated integers; *j*-th integer in *i*-th line corresponds to matrix element *m*_{ij} (1 ≤ *m*_{ij} ≤ 100).

Output

Output the rotated matrix in the same format as the input.

Examples

Input

1 2 3

4 5 6

7 8 9

Output

7 4 1

8 5 2

9 6 3

Input

1 2 3 4

5 6 7 8

9 10 11 12

13 14 15 16

Output

13 9 5 1

14 10 6 2

15 11 7 3

16 12 8 4

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