C312321323131323131232313231323133313132322331323221311331323331323331313221   >>    C31232132313132313123231323132313331313232233132322131133132333132333131322   <<    C312321323131323131232313231323133313132322331323221311331323331323331313223   >>      C312321323131323131232313231323133313132322331323221311331323331323331313222   >>