player.onChat("10-6", function () {
    let num = 5
    for (let i = 0; i < 5; i++) {
        for (let j = 0; j < 4; j++) {
            for (let k = 0; k < num; k++) {
                agent.place(FORWARD)
                agent.move(UP, 1)
            }
            agent.move(DOWN, num)
            agent.move(RIGHT, 1)
        }
        agent.move(LEFT, 4)
        agent.move(BACK, 1)
        num += -1
    }
})