Red, yellow and blue teams played a football match, and there were six results. The results are as follows: the red team is the first, the yellow team is the second and the blue team is the third; The red team is the first, the blue team is the second and the yellow team is the third; The yellow team is the first, the red team is the second and the blue team is the third; The yellow team is the first, the blue team is the second and the red team is the third; The blue team is the first, the yellow team is the second and the red team is the third; The blue team is the first, the red team is the second and the yellow team is the third. The competition follows the principle of friendship first and competition second.