C2221232323213331311331333133313231333132313331333121313233131221131231   >>    C222123232321333131133133313331323133313231333133312131323313122113123   <<    C2221232323213331311331333133313231333132313331333121313233131221131233   >>      C2221232323213331311331333133313231333132313331333121313233131221131232   >>