1
x
1
=
1
1
x
2
=
2
1
x
3
=
3
1
x
4
=
4
1
x
5
=
5
1
x
6
=
6
1
x
7
=
7
1
x
8
=
8
1
x
9
=
9
1
x
10
=
10
1
x
11
=
11
1
x
12
=
12
2
x
1
=
2
2
x
2
=
4
2
x
3
=
6
2
x
4
=
8
2
x
5
=
10
2
x
6
=
12
2
x
7
=
14
2
x
8
=
16
2
x
9
=
18
2
x
10
=
20
2
x
11
=
22
2
x
12
=
24
3
x
1
=
3
3
x
2
=
6
3
x
3
=
9
3
x
4
=
12
3
x
5
=
15
3
x
6
=
18
3
x
7
=
21
3
x
8
=
24
3
x
9
=
27
3
x
10
=
30
3
x
11
=
33
3
x
12
=
36
4
x
1
=
4
4
x
2
=
8
4
x
3
=
12
4
x
4
=
16
4
x
5
=
20
4
x
6
=
24
4
x
7
=
28
4
x
8
=
32
4
x
9
=
36
4
x
10
=
40
4
x
11
=
44
4
x
12
=
48
5
x
1
=
5
5
x
2
=
10
5
x
3
=
15
5
x
4
=
20
5
x
5
=
25
5
x
6
=
30
5
x
7
=
35
5
x
8
=
40
5
x
9
=
45
5
x
10
=
50
5
x
11
=
55
5
x
12
=
60
6
x
1
=
6
6
x
2
=
12
6
x
3
=
18
6
x
4
=
24
6
x
5
=
30
6
x
6
=
36
6
x
7
=
42
6
x
8
=
48
6
x
9
=
54
6
x
10
=
60
6
x
11
=
66
6
x
12
=
72
7
x
1
=
7
7
x
2
=
14
7
x
3
=
21
7
x
4
=
28
7
x
5
=
35
7
x
6
=
42
7
x
7
=
49
7
x
8
=
56
7
x
9
=
63
7
x
10
=
70
7
x
11
=
77
7
x
12
=
84
8
x
1
=
8
8
x
2
=
16
8
x
3
=
24
8
x
4
=
32
8
x
5
=
40
8
x
6
=
48
8
x
7
=
56
8
x
8
=
64
8
x
9
=
72
8
x
10
=
80
8
x
11
=
88
8
x
12
=
96
9
x
1
=
9
9
x
2
=
18
9
x
3
=
27
9
x
4
=
36
9
x
5
=
45
9
x
6
=
54
9
x
7
=
63
9
x
8
=
72
9
x
9
=
81
9
x
10
=
90
9
x
11
=
99
9
x
12
=
108
10
x
1
=
10
10
x
2
=
20
10
x
3
=
30
10
x
4
=
40
10
x
5
=
50
10
x
6
=
60
10
x
7
=
70
10
x
8
=
80
10
x
9
=
90
10
x
10
=
100
10
x
11
=
110
10
x
12
=
120
11
x
1
=
11
11
x
2
=
22
11
x
3
=
33
11
x
4
=
44
11
x
5
=
55
11
x
6
=
66
11
x
7
=
77
11
x
8
=
88
11
x
9
=
99
11
x
10
=
110
11
x
11
=
121
11
x
12
=
132
12
x
1
=
12
12
x
2
=
24
12
x
3
=
36
12
x
4
=
48
12
x
5
=
60
12
x
6
=
72
12
x
7
=
84
12
x
8
=
96
12
x
9
=
108
12
x
10
=
120
12
x
11
=
132
12
x
12
=
144
1
x
1
=
1
1
x
2
=
2
1
x
3
=
3
1
x
4
=
4
1
x
5
=
5
1
x
6
=
6
1
x
7
=
7
1
x
8
=
8
1
x
9
=
9
1
x
10
=
10
1
x
11
=
11
1
x
12
=
12
1
x
1
=
1
1
x
2
=
2
1
x
3
=
3
1
x
4
=
4
1
x
5
=
5
1
x
6
=
6
1
x
7
=
7
1
x
8
=
8
1
x
9
=
9
1
x
10
=
10
1
x
11
=
11
1
x
12
=
12