C121212123112323223313132322331323133313233313232233132322333331   >>    C12121212311232322331313232233132313331323331323223313232233333   <<    C121212123112323223313132322331323133313233313232233132322333333   >>      C121212123112323223313132322331323133313233313232233132322333332   >>