C2221232323213331311331333133313231323133313231123312311131132321   >>    C222123232321333131133133313331323132313331323112331231113113232   <<    C2221232323213331311331333133313231323133313231123312311131132323   >>      C2221232323213331311331333133313231323133313231123312311131132322   >>