player.onChat("4-8", function () {
    for (let i = 0; i < 5; i++) {
        for (let j = 0; j < 7; j++) {
            agent.move(FORWARD, 1);
            if (i == 0 || i == 4) {
                agent.transfer(1, 11, 1);
            } else {
                agent.transfer(1, 10, 1);
            }
            agent.place(DOWN);
        }
        agent.move(BACK, 7);
        agent.move(RIGHT, 1);
    }
});