C312321323131323131232313231323133313132322331323221311331323133311211   >>    C31232132313132313123231323132313331313232233132322131133132313331121   <<    C312321323131323131232313231323133313132322331323221311331323133311213   >>      C312321323131323131232313231323133313132322331323221311331323133311212   >>