let ey = 0
let ex = 0
let yy = 0
let xx = 0
xx = 2
yy = 2
led.plot(2, 2)
ex = Math.randomRange(0, 4)
ey = Math.randomRange(0, 4)
basic.forever(function () {
    if (input.acceleration(Dimension.X) < -50) {
        if (xx > 0) {
            led.unplot(xx, yy)
            xx += -1
            basic.pause(100)
        }
    }
    if (input.acceleration(Dimension.X) > 50) {
        if (xx < 4) {
            led.unplot(xx, yy)
            xx += 1
            basic.pause(100)
        }
    }
    if (input.acceleration(Dimension.Y) > 50) {
        if (yy < 4) {
            led.unplot(xx, yy)
            yy += 1
            basic.pause(100)
        }
    }
    if (input.acceleration(Dimension.Y) < -50) {
        if (yy > 0) {
            led.unplot(xx, yy)
            yy += -1
            basic.pause(100)
        }
    }
    if (ex == xx && ey == yy) {
        led.unplot(ex, ey)
        ex = Math.randomRange(0, 4)
        ey = Math.randomRange(0, 4)
    }
    led.plot(xx, yy)
    basic.pause(100)
    led.unplot(xx, yy)
    basic.pause(100)
    led.plot(ex, ey)
    basic.pause(100)
})