Lyric discussion by gannel39 

To add to what icymoguls said, I too think the reference to pi is about coming full circle in death. In the song, I think they're ambiguously throwing it out as his time of death. 3:14 and 15 seconds. To me, the line about pending death at 3:10 is a trail of breadcrumbs for the symbolism they're getting ready to use.

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