C2221232323213331311331333133313231333132322112121233121121131221   >>    C222123232321333131133133313331323133313232211212123312112113122   <<    C2221232323213331311331333133313231333132322112121233121121131223   >>      C2221232323213331311331333133313231333132322112121233121121131222   >>