Saturday, 15 December 2012

1
X
0
=
0
1
X
1
=
1
1
X
2
=
2
1
X
3
=
3
1
X
4
=
4
2
X
0
=
0
2
X
1
=
2
2
X
2
=
4
2
X
3
=
6
2
X
4
=
8
3
X
0
=
0
3
X
1
=
3
3
X
2
=
6
3
X
3
=
9
3
X
4
=
12
4
X
0
=
0
4
X
1
=
4
4
X
2
=
8
4
X
3
=
12
4
X
4
=
16
5
X
0
=
0
5
X
1
=
5
5
X
2
=
10
5
X
3
=
15
5
X
4
=
20
6
X
0
=
0
6
X
1
=
6
6
X
2
=
12
6
X
3
=
18
6
X
4
=
24
7
X
0
=
0
7
X
1
=
7
7
X
2
=
14
7
X
3
=
21
7
X
4
=
28
8
X
0
=
0
8
X
1
=
8
8
X
2
=
16
8
X
3
=
24
8
X
4
=
32
9
X
0
=
0
9
X
1
=
9
9
X
2
=
18
9
X
3
=
27
9
X
4
=
36
1
X
5
=
5
1
X
6
=
6
1
X
7
=
7
1
X
8
=
8
1
X
9
=
9
2
X
5
=
10
2
X
6
=
12
2
X
7
=
14
2
X
8
=
16
2
X
9
=
18
3
X
5
=
15
3
X
6
=
18
3
X
7
=
21
3
X
8
=
24
3
X
9
=
27
4
X
5
=
20
4
X
6
=
24
4
X
7
=
28
4
X
8
=
32
4
X
9
=
36
5
X
5
=
25
5
X
6
=
30
5
X
7
=
35
5
X
8
=
40
5
X
9
=
45
6
X
5
=
30
6
X
6
=
36
6
X
7
=
42
6
X
8
=
48
6
X
9
=
54
7
X
5
=
35
7
X
6
=
42
7
X
7
=
49
7
X
8
=
56
7
X
9
=
63
8
X
5
=
40
8
X
6
=
48
8
X
7
=
56
8
X
8
=
64
8
X
9
=
72
9
X
5
=
45
9
X
6
=
54
9
X
7
=
63
9
X
8
=
72
9
X
9
=
81
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