Question
PSLE
Letters H, D and B formed a patten as shown below.

H D B H D H D B H D H D B H D . . .

If there are 111 'H', what is the greatest possible number of letters in the pattern?
2 m

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PSLE
Letters H, D and B formed a patten as shown below.

H D B H D H D B H D H D B H D . . .

If there are 111 'H', what is the greatest possible number of letters in the pattern?