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This is how you build it.
R=redstone dust L=redstone lamp P=sticky piston A=air block
B=redstone block W=wooden plank /=lever
It looks like this:
W /
R
L
P
B
This next part you may repeat as far down as you like.
A
R
L
P
B
Edit: Whoops, I forgot I was not in the creation forum. Thought I was, but apparently not.