1.4 1.1 3.4 1.3
3.2 5.3 2.1 2.2
2.3 5.4 6.2 3.3
6.1 5.1 1.5 1.2
7.1 7.2 7.3 7.4
8.4 8.1 8.2 8.3
8.6 8.5 5.6 6.3
3.1