C121212123112323223313132322331323331323331322331323123232233221   >>    C12121212311232322331313232233132333132333132233132312323223322   <<    C121212123112323223313132322331323331323331322331323123232233223   >>      C121212123112323223313132322331323331323331322331323123232233222   >>