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1
1
x  9
2
3
x  0
3
6
x  1
4
4
x  0
5
4
x  1
6
7
x  1
7
0
x  7
8
0
x  8
9
1
x  2
10
1
x  5
11
8
x  1
12
1
x  0
13
6
x  0
14
3
x  1
15
5
x  0
16
0
x  9
17
2
x  0
18
1
x  1

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