Function weave3D

weave3D(a: number, b: number, c: number): number
Interweave three 16-bit numbers into a 48-bit number. In theory three small numbers can end up varint encoded to use less space.
Parameters
- a: number
  the first number
- b: number
  the second number
- c: number
  the third number
Returns number
- the interwoven number