player.onChat("16-5", function () {
    for (let i = 0; i < 5; i++) {
        switch (i) {
            case 1:
            case 3:
                agent.setSlot(2)
                break;
            default:
                agent.setSlot(1)
                break;
        }
        for (let j = 0; j < 3; j++) {
            agent.place(FORWARD);
            agent.move(UP, 1);
        }
        agent.move(RIGHT, 1);
        agent.move(DOWN, 3);
    }
});