for (x,y,w,h) in heads1:
x = w / 2 + x + sw
y = h / 2 + y + sh
print(x,y)
for (x,y,w,h) in heads1:
x = w / 2 + x + sw
y = h / 2 + y + sh
print(x,y)
x = y = None
for (x,y,w,h) in heads1:
x = w / 2 + x + sw
y = h / 2 + y + sh
print(x,y)