Take a look on this address. Somebody told me that cannot be more than 5 letters or numbers on consecutive position.
PubAddress: 1PWo3JeB9EJoQJHMiHUXxWR7VqLXfCKsqT
Priv (HEX): 76014495F651893260
Can't is not the best word. It can and does on occasion due to the vast scale of the numbers. It's just less likely.