C2221232323213331311331333133313331323132313331333112123122132113112122321   >>    C222123232321333131133133313331333132313231333133311212312213211311212232   <<    C2221232323213331311331333133313331323132313331333112123122132113112122323   >>      C2221232323213331311331333133313331323132313331333112123122132113112122322   >>