C2221232323213331311331333133313331323132323131121122113322332321   >>    C222123232321333131133133313331333132313232313112112211332233232   <<    C2221232323213331311331333133313331323132323131121122113322332323   >>      C2221232323213331311331333133313331323132323131121122113322332322   >>