player.onChat("12-2", function () {
    let ary = [
        [2, 3],
        [3, 4],
        [2, 3]
    ];

    for (let i = 0; i < ary.length; i++) {
        for (let j = 0; j < ary[i].length; j++){
            agent.transfer(1, ary[i][j], 1);
            agent.place(FORWARD);
            agent.move(UP, 1);
        }
    agent.move(LEFT, 1);
    agent.move(DOWN, ary[i].length);
    }
});