printer

function startup()
rednet.open("top")
turtleId = 638
end



function getPos()
rednet.send(turtleId,{["action"]="doThis",["doThis"]="if redstone.getInput(\"left\") then rednet.send(22,\"down\") elseif redstone.getInput(\"front\") then rednet.send(22,\"up\") else rednet.send(22,\"error\") end"})

timer = os.startTimer(1)
    repeat
    info1,info2,info3,info4 = os.pullEvent()
    until (info1 == "rednet_message" and info2 == turtleId) or (info1 == "timer" and info2 == timer)
curPos = info3
end



function main()
blocks = {}
fileName = "bridgePart" .. math.random(1,6)
	for x=1,18 do
	blocks[x] = {}

		for z=1,16 do
		file = fs.open(fileName .. "/" .. "[" .. x .. "]" .. "[" .. z .. "]","r")
		blocks[x][z] = {}

			for y=1,55 do
			blocks[x][z][y] = file.readLine()
			end

		file.close()
		end

	end

y = 0
x = 0
z = 0
continue = true
	while y < 55 and continue do
	y=y+1

		while x < 18 and continue do
		x=x+1

			while z < 16 and continue do
			z=z+1
				if tonumber(blocks[x][z][y]) ~= 0 then
				continue = false
				end
			end

		end

	end
minY = y



	for x=1,18 do

		for z=1,16 do

			for y=1,55-minY do
			blocks[x][z][y] = blocks[x][z][y+minY]
			end

		end

	end



--getPos()
curPos = "up"
    if curPos ~= "error" and curPos ~= nil then

        if curPos == "up" then
            for x=1,18 do

                for z=1,16 do
                rednet.send((turtleId+x-1)+((z-1)*18),{["action"]="doThis",["doThis"]="for i=1," .. 55-minY .. " do turtle.down() end print(1) rednet.send(22,\"done2\")"})
                end

            end
            for x=1,10 do
                for z=1,10 do
                    repeat
                    info1,info2,info3,info4 = os.pullEvent()
                    until (info1 == "rednet_message" and info3 == "done2")
                print(x.." "..z)
                end
            end
        sleep(3)

        end



print(1)
		for x=1,18 do

			for z=1,16 do
			rednet.send((turtleId+x-1)+((z-1)*18),{["action"]="doThis",["doThis"]="info1=nil while info1~=\"rednet_message\" do info1,info2,info3,info4 = os.pullEvent() end if turtle.getFuelLevel() < 1000 then turtle.select(10) turtle.refuel(4) turtle.select(6) turtle.refuel(4) turtle.select(7) turtle.refuel(4) end for i=1," .. 55-minY .. " do turtle.up() if type(tonumber(info3[i+1])) == \"number\" and tonumber(info3[i+1]) ~= 0 then turtle.select(tonumber(info3[i+1])) turtle.placeDown() end print(info3[i+1]) end turtle.select(2) turtle.placeDown() info3=nil rednet.send(22,\"done2\")"})
			end

		end

		for x=1,18 do

			for z=1,16 do
			rednet.send((turtleId+x-1)+((z-1)*18),blocks[x][z])
			--print(type(blocks[x][z]))
			end

		end


    for x=1,18 do
        for z=1,16 do
            repeat
            info1,info2,info3,info4 = os.pullEvent()
            until (info1 == "rednet_message" and info3 == "done2")
        info3 = nil
	        end
    end

    elseif curPos == "error" then
    print("error in positioning")
    else
    print("error, turtle couldnt be reached")
    end
end

startup()
main()