Here is what that 23 strange coin upgrade looks like :)
English
#feedback
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I liked your intentions here but your Math is way off... 38% faster would mean a run of ~2.9 seconds 3.9 seconds from 4.7 is closer to ~17% faster. Also you didnt start your sparrow from the same 'exact' point each time which means that the times could easily be out by .1ish of a second or ~2%.