C13112133313331323321333133313331333133313331313331333131333131322321323131   >>    C1311213331333132332133313331333133313331333131333133313133313132232132313   <<    C13112133313331323321333133313331333133313331313331333131333131322321323133   >>      C13112133313331323321333133313331333133313331313331333131333131322321323132   >>