Spiral Order
Print the elements of an matrix in clockwise spiral order, starting from the top-left.
Input
and , then rows of integers.
Output
All elements in spiral order.
Constraints
Sample 1
Input
3 3 1 2 3 4 5 6 7 8 9
Output
1 2 3 6 9 8 7 4 5
Sample 2
Input
3 4 1 2 3 4 5 6 7 8 9 10 11 12
Output
1 2 3 4 8 12 11 10 9 5 6 7