When Maurizio Sarri - cartons, upon cartons, upon cartons of cigarettes and all - arrived at Juventus he was immediately faced with a footballing 'first world problem':
How do you fit so many good players into one starting XI?
The maths never added up, as he couldn't fit 25 players, all deserving of gametime, into one team of 11 players. That was, is, and always will be, impossible.
However, despite mathematic improbabilities, after weeks of tinkering, Sarri may have just found the best formation and group of players ('bar Sami Khedira', screams Juve Twitter), that the club can field.