C2221333133313331311233132313331333133313331333133312111113331333131231   >>    C222133313331333131123313231333133313331333133313331211111333133313123   <<    C2221333133313331311233132313331333133313331333133312111113331333131233   >>      C2221333133313331311233132313331333133313331333133312111113331333131232   >>