Output should be n rows * n cols with numbers from n to n ** 2 (for example 5 to 25) in a spiral starting from the upper left corner and twisted clockwise, as shown in the example (here n=5):
Sample input 5
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Sample Output:
1 2 3 4 5
16 17 18 19 6
15 24 25 20 7
14 23 22 21 8
13 12 11 10 9