You can find other advice online. For example, we learned that sod should not be placed so that the ends of the pieces are all in a line.

VOA: special.2009.07.07

Allen arranged all fourteen pieces on the recording.

VOA: special.2009.12.25

Staring through the magnifying glass, Mikhaiel makes sure that all of the pieces - called tessarae - are exactly where they are supposed to be.

VOA: standard.2010.07.30