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Thread for puzzle Single Recursion 1. Hints are OK, but please no full solutions.

 

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There are three solutions (that I got, as least).
Two without stack, and one with stack.
The one with the shortest solution is one of the non-stacking solutions.

aja2718, 15 months ago.

There are three solutions.
Two without stack, and one with stack.
The one with the shortest solution is one of the non-stacking solutions.

aja2718, 15 months ago.

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king001, 24 months ago.

This puzzle was interesting, but a simple recursion puzzle.

jwu210, 40 months ago.

??????. ?? ?? ????? ???

inquisitor's comment after solving the puzzle, 46 months ago.

???? ?? ????????

whoun's comment after solving the puzzle, 60 months ago.

what a lovely puzzle! go back more times than you go front.

hhakuei's comment after solving the puzzle, 61 months ago.

easy!

masroor's comment after solving the puzzle, 81 months ago.

not a fan of the useless colors on the track

billythebanana's comment after solving the puzzle, 82 months ago.

Subtitle of the puzzle gives probably too much advice. Moreover, look only at the left hand part...

_rnx_'s comment after solving the puzzle, 83 months ago.

Been solved using a trick. Modulo...

Shayan_To's comment after solving the puzzle, 87 months ago.

good

yogeshp's comment after solving the puzzle, 87 months ago.

too easy ...just found 2nd solution in 1 min...:)

jasiek33's comment after solving the puzzle, 89 months ago.

I found some stupid solution without recursion :) time for recursion ...

jasiek33's comment after solving the puzzle, 89 months ago.

Oh, finally got both versions with and without stack.

mike239x's comment after solving the puzzle, 90 months ago.

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