C2221232323213331311331333133313331323133311212322122321131132321   >>    C222123232321333131133133313331333132313331121232212232113113232   <<    C2221232323213331311331333133313331323133311212322122321131132323   >>      C2221232323213331311331333133313331323133311212322122321131132322   >>