local file = fs.open("prints", fs.exists("prints") and "a" or "w")
file.writeLine("start")
print("start")
file.flush()
while true do
while redstone.getInput("left") do
file.writeLine("while")
print("while")
file.flush()
	if redstone.getInput("front") then
		file.writeLine("first")
		print("first")
		file.flush()
		turtle.dropUp()
		turtle.dig()
		sleep(1)
		redstone.setOutput("back",true)
	end
	if redstone.getInput("front") == false then
		file.writeLine("else")
		print("else")
		file.flush()
		if turtle.detect() == false and redstone.getOutput("back") == false then
		file.writeLine("else/if")
		print("else if")
		file.flush()
		turtle.place()
		end
		file.writeLine("else end")
		print("else end")
		file.flush()
	end
	sleep(7)
	file.writeLine("end")
	print("end")
end
end