C2221232323213331311331333133313331323132323131121121313113313231211   >>    C222123232321333131133133313331333132313232313112112131311331323121   <<    C2221232323213331311331333133313331323132323131121121313113313231213   >>      C2221232323213331311331333133313331323132323131121121313113313231212   >>