C121212123112323223313132322331323331323331322331312323132322221   >>    C12121212311232322331313232233132333132333132233131232313232222   <<    C121212123112323223313132322331323331323331322331312323132322223   >>      C121212123112323223313132322331323331323331322331312323132322222   >>