C2221333133313331311233132313331333133313331322133313331133131123333221   >>    C222133313331333131123313231333133313331333132213331333113313112333322   <<    C2221333133313331311233132313331333133313331322133313331133131123333223   >>      C2221333133313331311233132313331333133313331322133313331133131123333222   >>