Problem: 257

Code: 257/darrenks_1640145683

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)

+ ~ 
  , 35 
+ . `@ $ 
       257 
    ? - $ 
        9 
      + '@'