player.onChat("10-3", function () {
    let num = 1
    for (let i = 0; i < 5; i++) {
        for (let j = 0; j < num; j++) {
            agent.place(FORWARD)
            agent.move(UP, 1)
        }
        agent.move(DOWN, num)
        agent.move(LEFT, 1)
        num += 1
    }
})