C121212123112323223313132322331323331323331322331323233231323132111   >>    C12121212311232322331313232233132333132333132233132323323132313211   <<    C121212123112323223313132322331323331323331322331323233231323132113   >>      C121212123112323223313132322331323331323331322331323233231323132112   >>