C2221232323213331311331333133313331323132313331333112123122132121333221   >>    C222123232321333131133133313331333132313231333133311212312213212133322   <<    C2221232323213331311331333133313331323132313331333112123122132121333223   >>      C2221232323213331311331333133313331323132313331333112123122132121333222   >>