Problem: duplicates

Code: duplicates/tails_1694609501

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 string concatenation) 
    / (foldr1) 
        % (split (remove empties)) 
            . (map) 
                `= (chunk by) 
                    @ (= fstLine) 
                    $ (= A) <--arg( A ) 
                / (foldr1) <--arg( B ) 
                    $ (= B) 
                    $ (= D) <--arg( D C ) 
            "@" (string) 
        : (append) <--arg( F E ) 
            $ (= F) 
            : (append) 
                / (foldr1) 
                    @ (= E) 
                    $ (= J) <--arg( J I ) 
                @ (= E) 
    "\n" (string)