RUB (B3) Jaa RUB1 Perustason alkeet 1 RUB2 Perustason alkeet 2 RUB3 Perustason alkeet 3 RUB4 Perustaso 1 RUB5 Perustaso 2 RUB6 Perustaso 3 RUB7 Perustaso 4 RUB8 Perustaso 5