Also in G there is a 'rising fish' type of manu kake:

13
	Ga4-16	Ga4-17	Ga4-18	Ga4-19
14
	Ga4-20	Ga4-21	Ga4-22

Together with the first (the 'bird' type) of the pair of manu kake in G it measures out 45 glyphs (days):

60		43		125
	Ga3-1 (61)		Ga4-21 (105)
	45

For a preliminary discussion - follow this link.