# What Is The Next Number?

Fill in the sequence:

1 11 21 1211 111221 __________

Looks simple. Try solving it.

Do not post answers. Just write if you could answer it or not and how long did it take to solve.

Answer on Monday.

Tags: brain game, brain teaser, math puzzle, number game

312211

Answer: 312211.312211

Description:

1 : one 1 => 11

11 : two 1 => 21

21 : one 2,one 1 => 1211

1211 : 111221

111221 : 312211

312211 : 13112221

13112221 : 1113213211

…

312211 IS THE ANSWER