{{1,0,1},{0,1,0},{0,0,1}}*{{cos(pi/6),-sin(pi/6),0},{sin(pi/6),cos(pi/6),0},{0,0,1}}*{{1,0,-1},{0,1,0},{0,0,1}}*{{cos(pi/6),-sin(pi/6),0},{sin(pi/6),cos(pi/6),0},{0,0,1}}