C22212323232133313113313331333132313331311332313233232231133311   >>    C2221232323213331311331333133313231333131133231323323223113331   <<    C22212323232133313113313331333132313331311332313233232231133313   >>      C22212323232133313113313331333132313331311332313233232231133312   >>