C2221232323213331311331333133313231333132313231333113221233233131   >>    C222123232321333131133133313331323133313231323133311322123323313   <<    C2221232323213331311331333133313231333132313231333113221233233133   >>      C2221232323213331311331333133313231333132313231333113221233233132   >>