4 2 
 1  2
 2  3
 4  1
 6  2

5 3   
13 11
 3 17
15 20
 6 13
17  9

8 5   
 3  5
17 16
 6  0
17 10
 6 14
 3 19
 4 13
 0 17

8 4    
19 18
 5  9
 0  9
 5  0
 4  4
16  9
 4 15
20  5

2 1  
1 2 
4 3

2 1  
4 3  
1 2

2 1  
3 4  
1 2

2 1  
2 1  
3 4

18 7  
 1  1 
 1  2 
 2  1
10 10
11 10
10 11
 7  7
 7  8
 8  7
14 14
14 15
15 14
 4  4
 4  5
 5  4
19 19
19 20
20 19

21 13 
20 20 
19 19 
18 18
14 14
13 13
 5  5
 4  4
 3  3
12 12
10 10
 9  9
 8  8
17 17
16 16
15 15
 7  7
 6  6
11 11
 2  2
 1  1
 0  0

10 10
 8 16
 9  6
 6  6
 2 15
 0 13
17  8
17  3
13 13
15 10
18  2

10 9  
12 13
16 17
 2  7
 1  9
 5  7
10  9
 9  8
 9 19
 2 10
 3 19

10 8  
14  4
18 17
20 12
10 16
 8 14
 1 16
 9 10
16 11
 4  2
10 16

10 5  
 3  8 
15  8 
11  8 
 7  8 
 1  8 
17  8
 8  8
 2  8
13  8
 3  8

1 1  
9 11

1 1
7 3

1 1
5 5

1 1
0 0

1 1
0 20

1 1
20 0

1 1
20 20

20 20 
0 0   
0 0  
0 0
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0 0
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20 20
0 20
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0 20
0 20
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0 20
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20 20
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20 20
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20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20

20 20
 7 20
10  1
14 17
11 13
 3  5
19 19
 1 16
 4 18
 9  1
13  3
 7 16
 6  3
 1 20
 4  5
 6 13
 6  8
10  9
11 11
 0  7
12 15

200 20 
0 0  
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200 20
0 20
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0 20

200 20
20 20
20 20
20 20
20 20
20 20
20 20
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20 20
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20 20
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20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20
20 20

200 20
12 20
10  0
13 17
15  1
 8 12
 4 12
 9  5
 3  3
13 18
13  6
12 11
10  6
 3  1
 6  1
20  2
20 18
19  2
12 12
 1  8
12  6
 6 11
11 16
11  0
 2  1
 7  6
15  6
13  7
16 17
 5 11
 0 14
17  8
10  9
12 14
 9  9
20  2
13  4
 5 19
17  0
 2 12
13  8
 4 17
 5  3
11 19
 6  9
 1  3
 5 10
18  0
 6  6
 2  8
20 11
 0  8
 5  1
12 17
17  8
 9 12
 9 10
 3  0
 0 19
20  9
15 16
 4  6
 1  1
19 13
 9 17
 0  8
 1  4
19 14
 1  6
16 14
12 12
19 18
19 19
 3 17
 9 17
 4  6
16 19
14  3
 9  4
13 19
 3 16
19  9
 0  2
 8  9
10 10
15  3
16  2
16  4
12  6
13  0
 8  0
11  8
18 15
18 18
 2 20
 7  2
14  1
 3  0
 0 15
11 16
 0 18
 1 17
11 11
 9  9
19  6
 6  1
18 13
19  8
 9  0
 2 18
16  9
18 12
10 13
12 13
16  5
 7 17
 5  4
13  8
 0  4
 8 19
12 14
 0  2
 6 19
 9  0
18  6
 7 19
18 19
15  7
 9 12
12  5
 0  1
15 15
 1 16
20 16
10 10
11  2
 7  4
16 12
16  0
 4  3
17 18
 8 14
13  7
 5 19
14 20
19 15
 5 19
18  7
 6  9
 0  2
 7  3
11 14
 7  0
 8  5
18 15
 0  2
11  2
11 17
11  8
 5 16
 5 13
12 12
 8  6
20 14
13 14
 0  1
10 15
12 17
14 15
 2  6
17 14
 6 13
10 10
13  6
 6 16
15 11
 4  5
15 18
11 13
19 20
 2  0
12  9
14  2
10 20
 0  7
16  2
16 13
20 17
14  6
 5 15
 7 19
17 10
 0 19
13 15
17 18
19  9
14  1
15  2
 8  8
 2 15
20  2

200 10 
16 11
 9 10
 2 19
 2 18
 8  7
18  3
 9 16
10  3
16  3
 9 16
 4 14
10  0
10 13
 7  1
 5  3
 4 19
 9  1
 7  4
19 20
10  5
19 13
 9  5
12  4
18 12
 4 12
 0  8
 3  0
10 18
 6 19
 3  3
17  8
12 17
 5  3
16  4
 4 10
 8 18
17 17
18  9
 6  0
20  6
 8 13
 8  2
16 17
18  7
14  0
 0  3
14  0
10 11
 9 12
 7  9
 1  8
16 19
20 18
14 19
17 11
16  3
11 11
 5  1
19  4
 0 20
12 18
19 18
 7 16
 9  2
17 17
 5  7
 6 12
 9 18
17  4
 6  7
20  7
10  6
14  3
13 13
16 15
 6  0
19  7
15  6
16 19
20 17
17  0
12 18
 7  6
16  8
 5 17
10 15
 1  5
 4 19
 1  6
12  6
 4 10
 5  9
16  5
 8 17
 4  3
 1  6
 6  5
 3 19
13  6
11  1
 4  9
 1 19
 6  3
10 11
13  8
 0 13
 5  9
 1 10
13 19
15  0
 1 10
13  9
 6 13
16  3
 2 17
13 20
12  7
10 18
12 12
15 18
 4 18
14 10
17 18
11  2
 5  2
15 15
19 14
12  5
18 19
19 12
 5 17
 9 20
12  0
19 13
14  7
 2 16
 7 11
15 15
 8  6
 8  2
 1 13
18 15
 1  2
17 20
 4 19
 9 16
10 12
 7 12
 9  3
 5 14
 0 12
14 10
 1 11
12 18
16 16
10 15
 7  8
 9 10
13  7
11 14
 6  3
 7 20
16  4
17  1
 6  7
12 11
18  1
 6 19
10 15
15 12
 1 17
12  3
13 16
14 14
15  1
18  8
19 15
 6 15
12  9
14 16
 7  7
11  0
 1 20
16 13
15  3
 5 13
 9 11
12 15
20 16
 2 17
 1 19
17 15
12  5
16  2
 2  2
19  9
15  0
20 11
18 12
14  5

0 0