A = 2;
T = 10;
X = 7;
Y = 7;
Z = 3;
building = array2d(YY,XX, [
  0,0,0,0,0,0,0,
  0,0,2,0,0,0,0,
  0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,
]);