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Given the size, return a square matrix of numbers in spiral order.
The matrix should be filled with natural numbers, starting from 1 in the top-left corner, increasing in an inward, clockwise spiral order, like these examples:
1 2 3
8 9 4
7 6 5
1 2 3 4
12 13 14 5
11 16 15 6
10 9 8 7
You can run all the tests for an exercise by entering
$ gradle test
in your terminal.
Reddit r/dailyprogrammer challenge #320 [Easy] Spiral Ascension. https://www.reddit.com/r/dailyprogrammer/comments/6i60lr/20170619_challenge_320_easy_spiral_ascension/
It's possible to submit an incomplete solution so you can see how others have completed the exercise.