C2221333133313331311233132313331333133313331323312111133113313222211   >>    C222133313331333131123313231333133313331333132331211113311331322221   <<    C2221333133313331311233132313331333133313331323312111133113313222213   >>      C2221333133313331311233132313331333133313331323312111133113313222212   >>