C2221232323213331311331333133313331323132313331333112123122131211213221   >>    C222123232321333131133133313331333132313231333133311212312213121121322   <<    C2221232323213331311331333133313331323132313331333112123122131211213223   >>      C2221232323213331311331333133313331323132313331333112123122131211213222   >>