January 7, 2023:
Algorithm: 9 → 85 → 101 → 46 → 5 → 210 → 57 → 71 → 91 → 15 → 76 → 79
Occasional variation:
101 →
134 →
210 →
etc.
Less frequently:
5 →
14 →
138 →
215 →
15
etc.
Just for fun.