D33123232233131133131323323132333131323223313223313133313233313232212131   >>    D3312323223313113313132332313233313132322331322331313331323331323221213   <<    D33123232233131133131323323132333131323223313223313133313233313232212133   >>      D33123232233131133131323323132333131323223313223313133313233313232212132   >>