player.onChat("28-9", function (arg) {
    for (let i = 0; i < arg; i++) {
        for (let j = 0; j < 3; j++) {
            for (let k = 0; k < 3; k++) {
                agent.place(FORWARD)
                agent.move(RIGHT, 1)
            }
            agent.move(LEFT, 3)
            agent.move(BACK, 1)
        }
        agent.move(UP, 1)
        agent.move(FORWARD, 3)
    }
})