def tri(t):
    for tab in t:
        for i in range(len(tab)):
            for j in range(len(tab) - 1):
                if tab[j] > tab[j + 1]:
                    tab[j], tab[j + 1] = tab[j + 1], tab[j]
    
    for i in range(len(t)):
        for j in range(len(t) - 1):
            if t[j][0] > t[j + 1][0]:
                t[j], t[j + 1] = t[j + 1], t[j]
    
    print(t)

tri([[3, 9, 6], [9, 3, 8], [10, 67, 55]])