C2221232323213331311331333133313231323133313231123312332322123331   >>    C222123232321333131133133313331323132313331323112331233232212333   <<    C2221232323213331311331333133313231323133313231123312332322123333   >>      C2221232323213331311331333133313231323133313231123312332322123332   >>