player.onChat("30-5", function () {
    for (let i = 0; i < 4; i++) {
        for (let j = 0; j < i * -1 + 5; j++) {
            agent.place(FORWARD)
            agent.move(UP, 1)
        }
        agent.move(DOWN, i * -1 + 5)
        agent.move(RIGHT, i + 1)
    }
})