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# Spiral Matrix 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: ###### Spiral matrix of size 3 ```plain 1 2 3 8 9 4 7 6 5 ``` ###### Spiral matrix of size 4 ```plain 1 2 3 4 12 13 14 5 11 16 15 6 10 9 8 7 ``` To run the tests: ```sh $ gradle test ``` For more detailed info about the Java track see the [help page](http://exercism.io/languages/java). ## Source Reddit r/dailyprogrammer challenge #320 [Easy] Spiral Ascension. [https://www.reddit.com/r/dailyprogrammer/comments/6i60lr/20170619_challenge_320_easy_spiral_ascension/](https://www.reddit.com/r/dailyprogrammer/comments/6i60lr/20170619_challenge_320_easy_spiral_ascension/) ## Submitting Incomplete Solutions It's possible to submit an incomplete solution so you can see how others have completed the exercise.
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51 entries across 51 versions & 1 rubygems