C2221333133313331311233132313331333133313331311233132333131122222121   >>    C222133313331333131123313231333133313331333131123313233313112222212   <<    C2221333133313331311233132313331333133313331311233132333131122222123   >>      C2221333133313331311233132313331333133313331311233132333131122222122   >>