D33121212113313223313132322331323331323331322331312323132322221   >>    D3312121211331322331313232233132333132333132233131232313232222   <<    D33121212113313223313132322331323331323331322331312323132322223   >>      D33121212113313223313132322331323331323331322331312323132322222   >>