Problem: 81 digit number

Code: 81+digit+number/kaki_1702390172

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)

+ (concat) 
    * (join) 
        ;_ (= allInput) 
        . (map) 
            , (range from 1) 
                ; (save) -->let( A ) 
                    18 (integer) 
            , (range from 1) <--arg( B ) 
                [ (min) 
                    $ (= B) 
                    - (subtract) 
                        @ (= A) 
                        $ (= B)