C2221232323213331311331333133313231333132313231333113221213322211   >>    C222123232321333131133133313331323133313231323133311322121332221   <<    C2221232323213331311331333133313231333132313231333113221213322213   >>      C2221232323213331311331333133313231333132313231333113221213322212   >>