C2221232323213331311331333133313231333132313232313123232213112131   >>    C222123232321333131133133313331323133313231323231312323221311213   <<    C2221232323213331311331333133313231333132313232313123232213112133   >>      C2221232323213331311331333133313231333132313232313123232213112132   >>