C13332313311211113313331333133313331322333133313331333133313233313113212321   >>    C1333231331121111331333133313331333132233313331333133313331323331311321232   <<    C13332313311211113313331333133313331322333133313331333133313233313113212323   >>      C13332313311211113313331333133313331322333133313331333133313233313113212322   >>