C2221232323213331311331333133313231323133313231322213222221211321   >>    C222123232321333131133133313331323132313331323132221322222121132   <<    C2221232323213331311331333133313231323133313231322213222221211323   >>      C2221232323213331311331333133313231323133313231322213222221211322   >>