This diagram is of a 1100 to 1300 BC fragmentary papyrus board, currently in the Turin Museum. You  may download and print (A4 landscape is best). Technical discussion of the squares, rules and various magical and formulaic usages of Sn*t are included in a forthcoming book. You are welcome to join our Senate discussion group.

Mehen is predecessor, patron guide, protector and initiator to those who practice Senet. And to those amongst the deceased who travel on the Boat of Ra for all the millions of years. The 30 squares are literally ‘sections’ of the body of Mehen, and earlier game synonymous with the divine serpent-deity, so if I say that “Mehen leads us in Senet”, that is meant literally since Mehen is the path, literally

The earliest known positively identified senet gameboards were found in First Dynasty tombs at Abu Rawash (c. 3050 B.C.); however, given the existence of earlier board-fragments, the senet game probably existed already in the Predynastic Era. While the squares of most surviving senet boards are undecorated, many others contain a specific pattern of decoration whose evolution of design can be traced over the long span of Egyptian history. In the boards of the Old and Middle Kingdoms, this pattern consisted primarily of secular numbers and directional markers that affected the movements of the pieces. In the New Kingdom and later, the squares also contained religious symbols.

The heavenly Council of Thirty gods and goddesses (House 7) had a human counterpart of 30 Assessors or Judges, 10 representatives from the three great Aegyptian cities - Heliopolis (where it was based), Memphis and Thebes.

"Hail to you, Lords of Truth, the tribunal which is behind Osiris, which puts terror into those who are false when those whom it protects are at risk." Spell 335, Coffin Texts, is  especially associated with Senate.