C2221232323213331311331333133313231333132313231333113223212313311   >>    C222123232321333131133133313331323133313231323133311322321231331   <<    C2221232323213331311331333133313231333132313231333113223212313313   >>      C2221232323213331311331333133313231333132313231333113223212313312   >>