C312321323131323131232313231323133313132322331323221311331323331323223311   >>    C31232132313132313123231323132313331313232233132322131133132333132322331   <<    C312321323131323131232313231323133313132322331323221311331323331323223313   >>      C312321323131323131232313231323133313132322331323221311331323331323223312   >>