C12321113113313223313132313231323331323331313231311221123233311   >>    C1232111311331322331313231323132333132333131323131122112323331   <<    C12321113113313223313132313231323331323331313231311221123233313   >>      C12321113113313223313132313231323331323331313231311221123233312   >>