Vyxal, 7 6 bytes
'sĠ'ḢḢ
Explained
'sĠ'ḢḢ
' # Filter input where:
sĠ # sorted and grouped by consecutive
'ḢḢ # has items where length >= 3
Vyxal,
lyxal
- 34.3k
- 2
- 64
- 141