C2221232323213331311331333133313231333132313331333121313233122313231331   >>    C222123232321333131133133313331323133313231333133312131323312231323133   <<    C2221232323213331311331333133313231333132313331333121313233122313231333   >>      C2221232323213331311331333133313231333132313331333121313233122313231332   >>