C2221333133313331311233132313331333133313111112111133133313113313223313233321   >>    C222133313331333131123313231333133313331311111211113313331311331322331323332   <<    C2221333133313331311233132313331333133313111112111133133313113313223313233323   >>      C2221333133313331311233132313331333133313111112111133133313113313223313233322   >>