C2221333133313331311233132313331333133313131133133313331121133132221   >>    C222133313331333131123313231333133313331313113313331333112113313222   <<    C2221333133313331311233132313331333133313131133133313331121133132223   >>      C2221333133313331311233132313331333133313131133133313331121133132222   >>