C2221232323213331311331333133313231333132313231333113223211332311   >>    C222123232321333131133133313331323133313231323133311322321133231   <<    C2221232323213331311331333133313231333132313231333113223211332313   >>      C2221232323213331311331333133313231333132313231333113223211332312   >>