C2221232323213331311331333133313231333132313331333121313233131331121211   >>    C222123232321333131133133313331323133313231333133312131323313133112121   <<    C2221232323213331311331333133313231333132313331333121313233131331121213   >>      C2221232323213331311331333133313231333132313331333121313233131331121212   >>