How many games are in the Gex series?
3
3
3
3
3
3
2
3
2
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
4
5
3
2
1
4
5
3
2
1
4
5
0
3
2
1
4
5
6
7
3
2
0
1
4
5
6
7
3
2
1
4
5
6
0
7
3
2
1
4
5
6
7
2
1
4
5
6
7
2
1
4
5
6
7
8
2
1
4
5
6
7
8
2
1
4
5
6
7
8
1
4
5
6
7
8
9
1
4
6
7
8
9
1
6
7
8
9
1
6
7
8
9
10
1
6
7
8
11
9
10
1
6
7
8
11
9
13
10
1
6
7
8
11
9
13
10
1
6
7
8
12
11
9
13
10
1
6
16
7
8
12
11
9
13
10
1
6
16
7
8
12
11
9
13
10
6
16
7
8
12
11
14
9
256
132
66
102
144
256
132