Problem: Rockstar 2

Code: Rockstar+2/plcc_1735117246

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)

. (map) 
    ; (save) -->let( A ) 
        `D (to base from data) 
            -26 (to base from data arg) 
    + (concat) <--arg( B ) 
        . (map) 
            @ (= A) 
            : (append) <--arg( C ) 
                $ (= C) 
                @ (= B) 
(postdata (hex): to base from data)
451688193879
("mysterious")