C13112133313331323321333133313331333133313331313331333131333131322321133131   >>    C1311213331333132332133313331333133313331333131333133313133313132232113313   <<    C13112133313331323321333133313331333133313331313331333131333131322321133133   >>      C13112133313331323321333133313331333133313331313331333131333131322321133132   >>