What is the sample space for the event of spinning two spinners of 3 equal sections, numbered 1, 2, 3?
1-1 2-1 3-1
1-2 2-2 3-2
1-3 2-3 3-3
1-1 2-1 3-1
1-2 2-2 3-2
1-3 2-3 3-3
1-4 2-4 3-4
1-1 2-2 3-3
1-1 2-2 3-3
2-1 3-2
3-1
