def getTilesAt(x, y, width=4, height=4, grid_width=32):
   for b in range(height):
      for a in range(width):
         yield grid_width * (y * height + b) + (x * width) + a

for x in range(8):
   for y in range(8):
      print(str(x) + ', ' + str(y) + ' = ' + repr(list(getTilesAt(x, y))))