A cult scene, depicted in a stone sarcophagus from Hagia Triada, Crete.
Imagine 22 couples holding 61 weekly meetings each season If B is unavoidable detained, then A stands as guarantee for (B)A. All 22 couples are obliged to participate by both in at least two weekly gatherings pro anno. A further set of very complicated rules are followed strictly, and carefully entered into the annual minutes.