Different variants in the Small Santiago text of glyphs for the solar half-year

1. There are two variants used in the solar calendar.                

2. The text on the side of the tablet which contains the solar calendar, does not contain this type of glyph before the calendar. The text after the solar calendar contains 6 examples, while the other side of the tablet contains 2:

       

3. I think that the 6 glyphs arriving after the calendar are easy to classify into the two variants; the 2nd and 3rd (in the first row above) belonging to one and the rest to the other. However, of the two glyphs on the opposite side of the tablet (see second row), the first is a third variant. (While the 2nd of the glyphs is one of the two variants also found in the calendar).