C12312213132313231311331313331312323133313231311233132322331323132321111   >>    C1231221313231323131133131333131232313331323131123313232233132313232111   <<    C12312213132313231311331313331312323133313231311233132322331323132321113   >>      C12312213132313231311331313331312323133313231311233132322331323132321112   >>