3. A = 30, B = 20, C = 10, D = 40
4. A = 20, B = 10, C = 40, D = 30
5. A = 20, B = 10, C = 40, D = 30
6. A = 20, B = 10, C = 30, D = 40
7. A = 10, B = 30, C = 40, D = 20
8. A = 10, B = 30, C = 40, D = 20
9. A = 40, B = 10, C = 20, D = 30
10. A = 10, B = 30, C = 20, D = 40
11. A = 40, B = 30, C = 10, D = 20
12. A = 10, B = 30, C = 20, D = 40