placeTorchesWithinWalls

local c = 0
local r = 0

turtle.up()

function Step()
    if turtle.forward() == false then
        return false
    end
    c = c + 1
    if c % 5 == 0 then
        while turtle.getItemCount(1) <= 1 do
            print("Getting torches")
            turtle.digUp()
            turtle.select(16)
            turtle.placeUp()
            turtle.select(1)
            turtle.suckUp(64)
            turtle.select(16)
            turtle.digUp()
            turtle.select(1)
        end
        turtle.placeDown()
    end
    return true
end

while true do
    while Step() do
        print("Step")
    end

    r = r + 1

    function turn()
        if r % 2 == 1 then
            turtle.turnRight()
        else
            turtle.turnLeft()
        end
    end

    turn()
    for i = 1, 5 do
        if turtle.forward() == false then
            print("done")
            while true do
                sleep(100)
            end
        end
    end
    turn()
end