Asked by HELP! I NEED SOMEBODY HELP!

HI! Can y'all help me with this? Thanks!

What is the next number in the sequence?
1, 11, 21, 1211, 111221,

A. 223121~~~~~~
B. 113221
C. 312211
D. 1112211

Thanks!

~~~~~~~ = my pick.
Bye!

PLEASE RESPOND ASAP!
Answered by oobleck
the sequence describe itself. The next term describes the previous term. Since the last term contains
three ones, two twos, and one one, the next terms are
312211, 13112221, 1113213211, ...
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