C2221232323213331311331333133313231333132333112323132332323111232321   >>    C222123232321333131133133313331323133313233311232313233232311123232   <<    C2221232323213331311331333133313231333132333112323132332323111232323   >>      C2221232323213331311331333133313231333132333112323132332323111232322   >>