Shlock Material Only

4 X 6 4 X 12 4 X 20 6 X 8 6 X 12 6 X 18 6 X 20 8 X 6 8 X 8 8 X 10 8 X 12 8 X 14 8 X 16 8 X 20 10 X 6 10 X 8 10 X 10 10 X 12 10 X 14 10 X 16 10 X 18 10 X 20 12 X 6 12 X 8 12 X 10 12 X 12 12 X 14 12 X 16 12 X 18 12 X 20 14 X 14 14 X 16 14 X 20