data=[1  1 2 25 30
      2  1 3 35 50
      3  2 4 15 40
      4  3 2 45 10
      5  4 3 15 30
      6  4 5 45 60
      7  5 3 25 20
      8  5 4 35 50 ];

T=data(:,2);
H=data(:,3);
M=length(T);
N=max(max(T), max(H));

netdata

DEGO
celldisp(A)

DEGI
celldisp(AI)

bfs