Problem: Twelve

Code: Twelve/darrenks%28v0.23%29_1643071049

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)

. hex + * / ; + . @ 
                  hex $ 
            12 
          4 
        $ 
  `) $