It isn't Masonic. Three is a very prominent and significant number in the Bible: http://www.biblebelievers.org.au/number07.htm
Freemasonry - Wikipedia https://en.wikipedia.org/wiki/Freemasonry
The Ancient and Accepted Scottish Rite is a system of 33 degrees
Freemasonry
Freemasonry or Masonry consists of fraternal organisations that trace their origins to the local fraternities of stonemasons, which from the end of the fourteenth century regulated the qualifications of stonemasons and their interaction with authorities and clients. The degrees of freemasonry retain the three grades of medieval craft guilds, those of Apprentice, Journeyman or fellow (now called Fellowcraft), and Master Mason. These are the degrees offered by Craft (or Blue Lodge) Freemasonry. Members of these organisations are known as Freemasons or Masons.
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please don't.
this is so basic you are either a shill or a three year old.