Small prismated icosiheptaheptacontadipeton

The small prismated icosiheptaheptacontadipeton or spojak, also called the runcinated 221 polytope, is a convex uniform polypeton. It consists of 27 small prismated triacontaditera, 27 small rhombated demipenteracts, 72 small prismated hexatera, 216 small rhombated pentachoric prisms, and 720 triangular duoprismatic prisms. 2 small prismated triacontaditera, 1 small rhombated demipenteract, 1 small prismated hexateron, 3 small rhombated pentachoric prisms, and 3 triangular duoprismatic prisms join at each vertex. As the name suggests, it is the runcination of the icosiheptaheptacontadipeton.