A =[0 8.7 5.0 3.4 2.4 3.4 0.68 0.42 6.6 7.2
6.1 0 1.3 4.0 6.0 0.043 4.1 1.4 8.8 5.0
2.5 8.6 0 5.3 4.8 8.3 1.2 0.77 4.7 4.9
1.3 9.0 8.7 0 9.0 5.1 4.4 7.4 1.4 5.0
5.5 2.2 6.0 7.8 0 3.7 9.0 4.6 0.68 9.4
8.3 0.77 2.7 0.69 8.2 0 3.5 6.7 7.1 3.9
8.4 4.7 8.6 2.8 7.1 5.3 0 7.0 3.1 1.2
8.3 8.4 0.58 3.8 7.4 2.9 5.7 0 6.7 2.4
2.0 4.7 4.6 8.6 9.0 0.68 8.8 6.3 0 6.8
5.4 4.1 7.2 4.2 0.65 0.85 3.5 8.8 5.3 0]