This question is based on five, five-digit numbers given below.

 

(Left) 72238 83745 52227 72253 63776 (Right)

 

(Example: 697 - 1st digit = 6, 2nd digit = 9, 3rd digit = 7)

 

(Note: All activities are to be done from left to right.)

 

If 1 is subtracted from the first digit of each number, how many numbers will have the first digit fully divisible by 3?