C312321323131323131232313231323133313132322331323221311331323331323132322221211   >>    C31232132313132313123231323132313331313232233132322131133132333132313232222121   <<    C312321323131323131232313231323133313132322331323221311331323331323132322221213   >>      C312321323131323131232313231323133313132322331323221311331323331323132322221212   >>