User:Sbb/sandbox/Table row borders test

Regular and uniform polytopes in seven dimensions
(Displayed as orthogonal projections in each Coxeter plane of symmetry)

A6	B7		D7	E7
7-simplex	7-cube	7-orthoplex	7-demicube	321	231	132
			=
{3,3,3,3,3,3}	{4,3,3,3,3,3}	{3,3,3,3,3,4}	{4,3,3,3,3,3} = {3,34,1}	{3,3,3,32,1}	{3,3,33,1}	{3,33,2}