Problem: uppercase the 17th letter

Code: uppercase+the+17th+letter/tails_1684721981

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)

Cannot parse the code in the specified version.