print('Refuel and press any key')
read()
turtle.refuel()

function line()
    print('debut de ligne')
    for i=0, 100 do
        turtle.dig()
        turtle.digUp()
        turtle.forward()
        i=i+1
    end
    print('Fin de ligne')
end
line()
turtle.turnLeft()
turtle.dig()
turtle.digUp()
turtle.forward()
turtle.dig()
turtle.digUp()
turtle.forward()
turtle.dig()
turtle.digUp()
turtle.forward()
turtle.turnLeft()
line()