C121212123112323223313132322331323331323331322331323331313311232311   >>    C12121212311232322331313232233132333132333132233132333131331123231   <<    C121212123112323223313132322331323331323331322331323331313311232313   >>      C121212123112323223313132322331323331323331322331323331313311232312   >>