C13112133313331323321333133313331333133313331323132322231322321   >>    C1311213331333132332133313331333133313331333132313232223132232   <<    C13112133313331323321333133313331333133313331323132322231322323   >>      C13112133313331323321333133313331333133313331323132322231322322   >>