counter = 0
for x1 in range(1, 49+1):
    for x2 in range(2, 49+1):
        for x3 in range(3, 49+1):
            for x4 in range(4, 49+1):
                for x5 in range(5, 49+1):
                    for x6 in range(6, 49+1):
                        if x1 != x2 and x1 != x2 and x1 != x3 and x1 != x4 and x1 != x5 and x1 != x6 and x2 != x3 and x2 != x4 and x2 != x5 and x2 != x6 and x3 != x4 and x3 != x5 and x3 != x6 and x4 != x5 and x4 != x6 and x5 != x6:
                            counter += 1
                            if counter % 1000000 == 0:
                                print(counter)
                                print(f"{x1} {x2} {x3} {x4} {x5} {x6}")

print(counter)