C2221232323213331311331333133313231323133313221213231231322112111   >>    C222123232321333131133133313331323132313331322121323123132211211   <<    C2221232323213331311331333133313231323133313221213231231322112113   >>      C2221232323213331311331333133313231323133313221213231231322112112   >>