C2221232323213331311331333133313231323133313231322213113321311231   >>    C222123232321333131133133313331323132313331323132221311332131123   <<    C2221232323213331311331333133313231323133313231322213113321311233   >>      C2221232323213331311331333133313231323133313231322213113321311232   >>