Originally from Reddit. There's another one on here, but it doesn't actually match the source.
Schedule: A, B, Rest, A, B, Rest, Rest (4 weeks total)
Source: https://docs.google.com/spreadsheets/d/1rH9QEAHf91lLpbULmSW97AiXY7yr5juziJFAjdCIbKw/edit?gid=0#gid=0