multi facts 6 _ 7

6
x0
0
6
x1
6
7
x1
7
7
x2
14
7
x3
21
7
x5
35
7
x6
42
7
x7
49
7
x8
56
6
x3
18
7
x9
63
7
x1
7
7
x6
42
7
x2
14
7
x9
63
6
x9
54
7
x4
28
7
x8
56
7
x0
0
6
x2
12
6
x4
24
6
x5
30
6
x7
42
6
x8
48
6
x9
54
7
x4
28
7
x7
49
6
x0
0
6
x1
6
6
x7
42
6
x2
12
6
x4
24
6
x5
30
6
x3
18
6
x8
48
7
x0
0
6
x6
36
7
x5
35
7
x3
21
6
x7
42