Question: This is a [cops-and-robbers](/questions/tagged/cops-and-robbers "show questions tagged 'cops-and-robbers'") puzzle, the cops' thread can be found [here.](https://codegolf.stackexchange.com/questions/107012/hidden-inversions-cops-thread)

Your task will be to find an anagram of the provided programs in the cops' thread that performs its left inverse.

Once you crack an answer post the solution as an answer below and notify the original answerer.

You will be scored on the number of programs you are the first to crack.

Answer: 
Javascript, 21 bytes, [Arnauld](https://codegolf.stackexchange.com/a/107022/47066)
==================================================================================

**Original**

```
b=>Math.pow(b,torc=3)

```

**Crack**

```
o=>Math.cbrt(o,pbw=3)

```

Returns the cube root.
J, 10 bytes, [miles](https://codegolf.stackexchange.com/a/107094/18535)
-----------------------------------------------------------------------

```
1%:@*~>:[<

```

I have to write something here because the answer is too short.