Problem: sort permutations

Code: sort+permutations/tails_1642076588

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)

`< (sort):[chr] 
    @ (= fstLine):[chr]