B331133131323131133132233133313233313331322333121133133313331323231322121   >>    B33113313132313113313223313331323331333132233312113313331333132323132212   <<    B331133131323131133132233133313233313331322333121133133313331323231322123   >>      B331133131323131133132233133313233313331322333121133133313331323231322122   >>