བྱ་བའི་ཕྱིར་དྲུག་པོ་ཇི་ལྟ་བ་དེ་བཞིན་དུ་བྱ་བ་མ་ཡིན་པ་ཡང་དྲུག་གོ། །
The Twelve for Earlier and the Twelve for Later “Just as there are six permutations in which a monk tends to some business, there are also six in which he does not.
Monks, Karma; Time, Discipline; Ordination, Bhikṣuṇīs