-- # Torches = 16 #
-- # Empty   = 15 #
print("Please place your turtle like this:")
print(" # # # ")
print(" # T # ")
print("When ready, press start")

local message = io.read()

if ( message == "start" ) then
        print("How many rows?")
        message = io.read()

        rows = tonumber( message )
end

if ( rows  ~= 0 ) then
    -- # Branches #
    for z=1, rows do
        -- # Dig this branch #
        for x=1, 40 do
            turtle.dig()
            turtle.forward()
            turtle.digUp()
        end

        -- # Full inventory #
        if turtle.getItemCount( 15 ) > 0 then
            shell.run("shutdown")
        end

        -- # Return, placing torches #
        turtle.select(16)

        for x=1, 40 do
            turtle.back()

            if i % 6 == 0 then
                turtle.place()
            end
        end

        -- # Starting a new row #
        turtle.turnLeft()
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtle.dig()
        turtle.forward()
        turtle.turnRight()
    end
end