1.1
1.2
1.3
1.1; 1.2; 1.3 (3, 6)
2.1
2.2
2.3
2.1; 2.2; 2.3 (7, 2)
3.1
3.2
3.3
3.1; 3.2; 3.3 (1, 0, 8)
