C2221232323213331311331333133313331323132313222212312113112331331   >>    C222123232321333131133133313331333132313231322221231211311233133   <<    C2221232323213331311331333133313331323132313222212312113112331333   >>      C2221232323213331311331333133313331323132313222212312113112331332   >>