C2221232323213331311331333133313231333132313331333121313232321221132333131   >>    C222123232321333131133133313331323133313231333133312131323232122113233313   <<    C2221232323213331311331333133313231333132313331333121313232321221132333133   >>      C2221232323213331311331333133313231333132313331333121313232321221132333132   >>