C2221232323213331311331333133313231333132313331333121313232321323311   >>    C222123232321333131133133313331323133313231333133312131323232132331   <<    C2221232323213331311331333133313231333132313331333121313232321323313   >>      C2221232323213331311331333133313231333132313331333121313232321323312   >>