Problem: Alphabet
Code: Alphabet/tails_1686292439
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)
| (filter):[chr] @ (= fstLine):[chr] \ (char class):[chr] <--arg( A:chr ) $ (= A):chr u (isUpper):null