Problem: interleave first every third

Code: interleave+first+every+third/whio_1723575547

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)

; `( ;_ 
* : $ 
    ~ 
  `/ ~