-1
1
2
0
-1
0
1
0
-1
1
2
1
-1
0
1
1
-1
1
2
2
-1
0
1
2
7
1
2
1
3
0
1
0
4
1
2
0
0
0
1
0
+++
+++
Computer
Computer
2
0
null
1
1
2
8
+++
0
5
1
2
2
6
+++
0
2
True
