C2221232323213331311331333133313331323132313331333223312232311232313131   >>    C222123232321333131133133313331333132313231333133322331223231123231313   <<    C2221232323213331311331333133313331323132313331333223312232311232313133   >>      C2221232323213331311331333133313331323132313331333223312232311232313132   >>