Problem: Diamond Matrix

Code: Diamond+Matrix/tails_1645408803

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)

(implicit map):[[chr]] 
    : (append):[int] 
        , (range from 1):[int] 
            $ (= fstInt):int 
        >> (tail):[int] 
            \ (reverse):[int] 
                , (range from 1):[int] 
                    $ (= fstInt):int 
    : (append):[chr] <--arg( B:int A:int ) 
        ^ (replicate):[chr] 
            - (subtract):int 
                _ (= fstInt):int 
                $ (= B):int 
            " " (string):[chr] 
        ^ (pow):int 
            / (divide):int 
                ^ (pow):int 
                    ~ (auto = 10):auto 
                    $ (= B):int 
                9 (integer):int 
            ~ (auto = 2):auto