13
 0 MA100    2  5  6
 1 INF101   4  3  5  6  7
 2 MA008    2  6  4
 3 INF11    1  5
 4 MA-IN118 2  9 10
 5 INF110   3  8  9 10
 6 INF102   2  8 12
 7 INF103   0 
 8 INF212   0 
 9 IN211    1 12
10 IN210    1 11
11 IN395    0 
12 INF310   0