How to distinguish between 15's

[@missingdeck9999]

Fabulous puzzle and solve! Thank you for bringing this one into general attention. Loved it!

[@esperantojoe426]

Excellent puzzle. Thank you for posting this.

[@gsanzlalinde]

The name of the puzzle "\x0f" means 15. 0f is the hexadecimal representation of the number 15 and the\x means that the following characters are hexadecimal. That's why it is full of 15 cages. Great puzzle!

[@LogicLemurGaming]

Cool..thanks for the explanation!

[@Kirbyfan87827]

Finished in 12:47. Great puzzle!

[@shadyamigo]

I don’t why but I found this one surprisingly easy for once. Just shy of 16 minutes