C2221232323213331311331333133313231333132313331333121313232311322112331311   >>    C222123232321333131133133313331323133313231333133312131323231132211233131   <<    C2221232323213331311331333133313231333132313331333121313232311322112331313   >>      C2221232323213331311331333133313231333132313331333121313232311322112331312   >>