C2221232323213331311331333133313331323132313331333112123122132121113212331   >>    C222123232321333131133133313331333132313231333133311212312213212111321233   <<    C2221232323213331311331333133313331323132313331333112123122132121113212333   >>      C2221232323213331311331333133313331323132313331333112123122132121113212332   >>