Solving Microsoft PDC Hard Hat Challenge #4

Do you like code puzzles?  Did you know we were throwing out challenges around PDC?  To read how a 15-year old from Hungary solved this week, just check out the blog link below.  Congrats and geek-cred to Niner 'palotasb (Boldizsar)'

The numbers- what do they mean?

Solving Microsoft PDC Hard Hat Challange #4 [updated] at PalotásB. blogja