Mini Jumbotron scratchpad
Click and drag on a circle to light up more than one
x-axis
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
y-axis
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CLEAR