Mosaic #5

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Inspired by the real mosaic works, I tried to mimic the style of Mosaic using just 4 types of regular polygons. I hope you like it.

There are two features:
No of different types of polygon used: 1,2,3 and 4 (in order of increasing rarities)
Design/Pattern: 5 Different patterns with 4 different rarities. (Two share the same rarity)