At the beginning of the G text another 22 - 25 pair appears:

Ga1-22	Ga1-25	Ga5-10	Ga6-9	Ga7-14	Ga7-19
Ga8-19	Gb1-24	Gb2-12	Gb2-22	Gb2-32	Gb2-35
Gb3-2	Gb7-17	Gb7-23	Gb8-4

This pair is in contrast to such pairs as Ga6-22, 25 and Gb1-22, 25:

				85
Ga6-22	Ga6-23	Ga6-24	Ga6-25 (166)		Gb1-22	Gb1-23	Gb1-24	Gb1-25 (255)

The distance between the tao pair and the pair of rau hei in line a6 is 10 fortnights:

	140		88		8
Ga1-25		Ga6-25 (166)		Gb1-25 (255)		Gb2-9	Gb2-10 (266)
		100
	240

Can we find something similar in K?

Ga1-17	Ga1-18	Ga1-19	Ga1-20	Ga1-21	Ga1-22	Ga1-23	Ga1-24	Ga1-25
Ka1-21		Ka1-22	Ka1-23	Ka1-24	Ka2-1 (25)	Ka2-2	Ka2-3	Ka2-4

First we notice how Ka1-22 (moon) here is reflected in Ka2-1 (tao) into a sign of sun (Ka2-4). Neither number 22 nor number 25 can agree with 22 and 25 in G. And tao in Ka2-1 is unusual in form.

Listing all tao glyphs in K we can guess there is a relationship between Ka1-9 and Ka2-1 on one hand and Ka2-4 and Kb1-13 on the other:

 

Ka1-9	Ka2-1
Ka2-4	Kb1-13
Kb4-18

But we can alternatively perceive this pattern, which seems to be more clear:

 

Ka1-9	Ka2-1
Ka2-4
Kb1-13	Kb4-18

Let us add ordinal numbers:

 

Ka1-9 (9)	Ka2-1 (25)
Ka2-4 (29)
Kb1-13 (110)	Kb4-18 (171)

171 - 110 = 61, as if two months. 9 and 25 forces me to look for the 3rd member of Pythagoras' theorem. But exactly here (as if a glyph pun) there are no less than 4 glyphs missing:

 

Ka1-9	Ka1-10	Ka1-11	Ka1-12
...	...	...	...
Ka1-13	Ka1-14	Ka1-15	Ka1-16
		...
Ka1-17	Ka1-18	Ka1-19	Ka1-20

The strangely drawn right part of Ka1-11 can be imagined as having a rectangular triangle at its bottom left. Not one other vaha kai among all the rongorongo texts has any straight feature. It confirms that the missing unknown quantity (16 = 4 * 4) has been 'swallowed'.