C2221232323213331311331333133313231323133313231123312331133112131221   >>    C222123232321333131133133313331323132313331323112331233113311213122   <<    C2221232323213331311331333133313231323133313231123312331133112131223   >>      C2221232323213331311331333133313231323133313231123312331133112131222   >>