C2221232323213331311331333133313331323132313331333223312232311111121311   >>    C222123232321333131133133313331333132313231333133322331223231111112131   <<    C2221232323213331311331333133313331323132313331333223312232311111121313   >>      C2221232323213331311331333133313331323132313331333223312232311111121312   >>