C2221232323213331311331333133313331323132313222212312121311331123331   >>    C222123232321333131133133313331333132313231322221231212131133112333   <<    C2221232323213331311331333133313331323132313222212312121311331123333   >>      C2221232323213331311331333133313331323132313222212312121311331123332   >>