Inspired by this xsibase thread.
Modulo by 19:
lobbecke on xsibase:
Chris_TC on xsibase: Keep in mind that the result very much depends on the vertex index order of your object
eX-SI
ICE, scripting, and other tech stuff about Softimage aka XSI
eX-SI 
It’s the Tom Carvel Ice compound! (on the sphere anyway)