C2221232323213331311331333133313231333132313231333113223133233231   >>    C222123232321333131133133313331323133313231323133311322313323323   <<    C2221232323213331311331333133313231333132313231333113223133233233   >>      C2221232323213331311331333133313231333132313231333113223133233232   >>