Problem: Ordered text permutations

Code: Ordered+text+permutations/tails_1644932607

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)

`* (nary cartesian product) 
    . (map) 
        @ (= fstLine) 
        _ (= fstLine) <--arg( A )