Urawa Red Diamonds Urawa Reds uses Ohara City Field for training. In addition to this facility, the club opened Redsland in 2005, which has three grass fields, one artificial turf field, one baseball field, futsal courts and tennis courts. Redsland is opened to the public and club members can use the facilities at relatively cheap fees. Urawa Red Diamonds has a local derby with Omiya Ardija, from Omiya-ku, Saitama city. They first met in the 1987 Emperor's Cup, with Mitsubishi defeating NTT Kanto by 5 to 0 at Nishigaoka National Stadium. The derby first took place in the JSL Second Division in the
Ten of diamonds decahedron be stacked together in 3 axes to fill space. The 12 vertex coordinates in a 2-unit cube. (further augmentations on the rhombi can be done with 2 unit translation in "z".) Ten of diamonds decahedron In geometry, the ten-of-diamonds decahedron is a space-filling polyhedron with 10 faces, 2 opposite rhombi with orthogonal major axes, connected by 8 identical isosceles triangle faces. Michael Goldberg references it by the playing card name, "ten-of-diamonds", as a 10-faced polyhedron with two opposite rhombic (diamond-shaped) faces. He catalogued it in a 1982 paper as 10-II, the second in a list of 26 known space-filling decahedra.