You might like Left Right Black Quartered Arc Gordon House 1970 Quartered Arc Gordon House 1970 Arcs with a Square Gordon House 1971 Arcs with a Square Gordon House 1971 Arcs with a Square Gordon House 1971 Arcs with a Square Gordon House 1971 Arcs with a Square Gordon House 1971 Arcs with a Square Gordon House 1971 Triangles within a Square Gordon House 1971 Triangles within a Square Gordon House 1971 Eight Red Arcs Gordon House 1964 4 Blue Arcs Gordon House 1967