dude thats so easy to solve.
1 can be described as "one one". Now write that description using digits:
11. This is "two ones". In digits (ignoring the plural):
21. This is "one two, one one". In digits:
1211. This is "one one, one two, two ones". In digits (ignoring the plural):
111221. This is "three ones, two twos, one one". In digits:
The answer is
13112221
the next one is
1113213211
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i got 1
There are 3 doors, the first door has fire , the second room is full of woods, the third room is full of darkness. So the question is which door will he pick.