:p30 shuttle = queen bee shuttle
:p46 shuttle = twin bees shuttle
:p54 shuttle (p54) A surprising variant of the twin bees shuttle found by Dave Buckingham in 1973. See also centinal.
:p6 shuttle (p6) The following oscillator found by Nicolay Beluchenko in February 2004.
:pair of tables = table on table
:paperclip (p1)