40
0
60
60
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
40
0
60
60
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
40
0
60
60
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
40
0
60
60
-
60
0
50
50
-
70
0
30
30
-
