minecraft strip mining program

local blockmovementcount=0
local torchcounter=0
while turtle.getItemCount(16)==0 do

	while turtle.detect()==true do
		turtle.dig()
	end
	turtle.forward()
	blockmovementcount=blockmovementcount+1
	while turtle.detectUp()==true do
		turtle.digUp()
	end
	turtle.suck()
	turtle.suckDown()
	turtle.suckUp()

		if torchcounter=blockmovementcount+8 then
			turtle.turnRight()
				if turtle.detect()==true then
					turtle.select(3)
					turtle.place()


				end
			turtle.turnLeft()
			torchcounter=torchcounter+8
		end
end


turtle.turnRight()
turtle.turnRight()

for j=1,blockmovementcount,1 do
	turtle.forward()
end

if turtle.detect()==true then
	turtle.dig()
end
	turtle.select(2)
	turtle.place()
for z=1,16,1 do
	turtle.select(z)
	turtle.drop()
end