The 4 viri in Tahua measure out the number of glyps in a way that makes us understand that 1334 = (26 + 20) * 29. We recognize the basic numbers 26 and 20 from the equation 260 = (2 * 10) * 13.

13 (the number of lunar months in a year) 'creates' by way of twice the number of fingers and toes a limit for the sun, presumably visually represented by the double dark lines (double 10) around the solar neck in Aa1-11:

Instead of using 28 to reach 364 = (2 * 14) * 13, however, we have another factor: 29. Whereas 28 represents the nights when moon is visible, 29 must include also a dark night.

13 * 29 = 377, an awkward number. 377 = 365 + 12, but a better interpretation is 360 + 17.

The 1334 glyphs in Tahua must be divided in two groups (26 * 29 = 754  respectively 20 * 29 = 580) according to what we earlier found out:

... If we change the measuring rule to include both end glyphs we can ... suggest:

	483 + 271 = 754
Ab7-26		Aa8-26
26 * 29

But then we must change the measuring rule to exclude the end glyphs for 20 * 29:

	60 = 3 * 20	520 = 26 * 20
Aa8-26			Ab7-26
20 * 29

In other words: the measure 26 * 29 (= 754) includes Ab7-26 and Aa8-26, while 20 * 29 (= 580) excludes them. The end glyphs both have ordinal number 26 in their lines which may be a signal ...

Clearly Ab7-26 and Aa8-26 are intended to secure end points, similar to where the sail is ending with a clew.

10 / 13 * 754 = 580, i.e. 754 is similar to 364 and 580 is similar to 260.

2 * 364 = 728 and 728 + 26 = 754.

2 * 260 = 520 and 520 + 60 = 580.

Attention is here drawn to the relation between 60 (the solar double month) and 26 (the solar limit).

Aa8-26 is not drawn like the other 3 viri, it is a ('death') marked glyph:

At top right in Aa8-26 we have a sign of 'cut-off', possibly equal to the 'black rectangular mark like a bar' (the 'eyebrow' of the central sun god at Tiahuanaco).

From L1-33:

we realize that viri glyphs can be turned around 90º counterclockwise. After that operation the right part becomes 'future' (the 'face', mata) and the left part the 'past' (ta'u). If we turn Aa8-26 around in the same way, the upper - 'cut-off' part - therefore is what has passed away and the bottom part what is in front of us.

We have arrived at the conclusion that reading Tahua we should start from Ab7-26, because the regular course of the sun will then take us to Aa8-26 where the 'finish' is located:

Aa8-27 looks as if the sky (GD22, ragi) is without light and the fish at bottom presumably indicates the watery domain.

The journey which begins at Ab7-26 with the emergence of light has a station at Aa5-7, located 482 glyphs ahead (counted inclewding Aa5-7 but exclewding Ab7-26):

Ab7-24	Ab7-25		Ab7-26
Aa5-4	Aa5-5	Aa5-6	Aa5-7

If we turn Aa5-4 around 90º counterclockwise we can see that henua is thinner at right (forward in time), which fact together with the rest of the signs makes it certain that what we have arrived at is summer solstice.

There ought to be a division into multiples of 29 between Ab7-26 and Aa5-7. However, 16 * 29 = 464. Maybe the idea is 16 * 29 + 18 = 482. The rest of the path up to and including Aa8-26 will then become 10 * 29 - 18 = 272. We should adjust the numbers accordingly:

	482 = 16 * 29 + 18		272 = 10 * 29 - 18
Ab7-26		Aa5-7		Aa8-26
26 * 29

Next problem is Ab1-1. It is excluded from the path of the sun as described by 26 * 29 = 754 glyphs.

In the 20 * 29 = 580 glyphs after Aa8-26 we find Ab1-1 at a distance of 60 glyphs.

There are 85 glyphs in line a8 and 85 - 26 + 1 = 60, where we have not counted Aa8-26 (which belongs to the path of the sun) and not Ab1-1.

The rest of the path between Aa8-26 and Ab7-26 (where we cannot count the end glyphs) must be 580 - 60 = 520 glyphs. Though this time we include Ab1-1 in the result:

	60 = 3 * 20		520 = 26 * 20
Aa8-26		Ab1-1		Ab7-26
29 * 20

60 may represent a solar double month. All these 60 glyphs are located on side a.

A solar double month outside the regular year is reminiscent of the '7th flame of the sun', which I once used as an argument for explaining 42:

... Anciently they approximated π = 3 (which may be the origin to the concept of 3 wives of the sun). Twice π then becomes 6 (the number of the sun) and a hexagon with 6 equilateral triangular 'flames' is the natural symbol for the sun:

We can see that the symbol is constructed from two equilateral triangles, one 'ascending' (male) with apex up and one 'descending' (female) with apex down.

The problem then becomes how to harmonize sun and moon. They do not move in the same orbits. 42 is the secret which solves the problem.

We have seen that 13 months (à 28 nights) is close to a year, giving 364 nights. Sun's number 6 is not commensurable with that.

But if we add one 'flame', increasing 360 to 420, we have a match: 14 * 30 = 420 = 15 * 28.

We might add: a match to light a new fire.