C312321323131323131232313231323133313132322331323221311331323331323121111   >>    C31232132313132313123231323132313331313232233132322131133132333132312111   <<    C312321323131323131232313231323133313132322331323221311331323331323121113   >>      C312321323131323131232313231323133313132322331323221311331323331323121112   >>