Sort the cardinal numbers
Maybe a simple challenge.
Start file
Zero One Two Three Four Five Six Seventeen Sixteen Fifteen Fourteen Thirteen Twelve Eleven Ten Nine Eight Seven Eighteen Nineteen Twenty Twenty-one
End file
Zero One Two Three Four Five Six Seven Eight Nine Ten Eleven Twelve Thirteen Fourteen Fifteen Sixteen Seventeen Eighteen Nineteen Twenty Twenty-one
View Diff
8,17d7 < Seventeen < Sixteen < Fifteen < Fourteen < Thirteen < Twelve < Eleven < Ten < Nine < Eight 18a9,18 > Eight > Nine > Ten > Eleven > Twelve > Thirteen > Fourteen > Fifteen > Sixteen > Seventeen
Solutions by @YannMoisan:
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