Instructions:
Below you will find a riddle. Once you solved it, locate the cell it's
pointing to and read it's content.
Row Hint:
esacreppusirEbmunworeht.llewyreV?detacoLsinoitseuqtercEsehterehWrevocsidoTsuoiruc
Column Hint:
Subtract the row number you obtained from 15 and convert it to its
corresponding letter
我實在google不到，所以請教版上神人的協助，謝謝。