Problem: mystery js problem

Code: mystery+js+problem/whio_1721926737

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

/ (foldr) 
    % (split (remove empties)) 
        `D (to base from data) 
            -25 (to base from data arg) 
        ~ (auto = words) 
    "FO" (string) <--arg( B A ) 
    . (map) <--arg( D C ) 
        : (append) 
            @ (= C) 
            $ (= D) 
        `^ (bit xor) <--arg( E ) 
            32 (integer) 
            $ (= E) 
(postdata (hex): to base from data)
851cab845e47183f35b48e32927a0c61e3968f920ab52d3772cb09ae973ab6ff9f6e31aef69b4fa1d9956f71129f16ea03d70092264ffd966701cb6f2962ee93e49911a6cfd574b5319bb4
("xxnqisjiuiuiuffuaw i seierrstur euudede nni iipp bdm au wa vrolerrppdhqaaggcmfissstulpsttdbcicggteesrsssrcptepwsdmmsnpeicce rp ec")