C1313122132333132313132313232321323132313132322331323331323223313123231311331   >>    C131312213233313231313231323232132313231313232233132333132322331312323131133   <<    C1313122132333132313132313232321323132313132322331323331323223313123231311333   >>      C1313122132333132313132313232321323132313132322331323331323223313123231311332   >>