Lemonink Puzzle

The Puzzle:

Lemonink
I have two glasses the same size. One contains 100 ml of lemonade and the other contains 100 ml of ink.



I take a spoonful of lemonade and stir it into the ink, and then take a spoonful of that mixture and stir it back into the lemonade.

Which glass now contains least of the contents of the other one?



.
-\./^\./-


Do you have the answer? Check against our solution!