C2221232323213331311331333133313231323133313221213231122321132321   >>    C222123232321333131133133313331323132313331322121323112232113232   <<    C2221232323213331311331333133313231323133313221213231122321132323   >>      C2221232323213331311331333133313231323133313221213231122321132322   >>