[Community Puzzle] Reversed Look-and-say

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wondering what is the next step of 11122
11 1 2 2
1 1 12 2
which one is correct?

If it’s reversed, I think that there is no step.
11 means one 1.
12 means one 2.
But the last 2?

Actually, I mean why the count of each group of number is always less than 10?

But that might be obvious since 1111 is the last result stated in the question(or else we can get 111 consective 1)

Hrm, good one.
Maybe it’s written in the statement that the number of identical consecutive digits is lower than 10?

yeah, it should be