Example Two
Students 1, 3, 5 and 7 are group A, students 2, 4, 6 and 8 are group B, students 9, 10, 11 and 12
are group C, and students 13, 14, 15 and 16 are group D. In the illustration below, you are working
with GROUP A, which has a flashing light. Groups B, C and D are working by themselves.
Example Three
You are working with GROUP B, which has a flashing light. A, C and D are working by themselves.
11