Problem: McCarthy 91 function
Code: McCarthy+91+function/tails_1644921716
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)
<~ `. ~~ 1 $ $ ? - @ ^ ~ ~ ~ - @ ~ - _ 10 + $ ~ + 11 @ $ @ _ : : ^ $ "M(" @ ^ $ ")"