C2221232323213331311331333133313231323133313231123312331132133121   >>    C222123232321333131133133313331323132313331323112331233113213312   <<    C2221232323213331311331333133313231323133313231123312331132133123   >>      C2221232323213331311331333133313231323133313231123312331132133122   >>