There are no tilings of the equilateral triangle of side length 7 by all the polyhexes of order . There are nine distinct solutions of all the polyhexes
of order
which tile a parallelogram of base length 7 and
side length 4, one of which is illustrated above (Beeler 1972).
. There are nine distinct solutions of all the polyhexes
of order 
which tile a parallelogram of base length 7 and
side length 4, one of which is illustrated above (Beeler 1972).
