```

        var slots_num = 0;
        var direction;

        slots_num = previous_pocket - next_pocket;

        if ( slots_num > 6){
            slots_num -= 12;
        }
        if ( slots_num < -6){
            slots_num += 12;
        }

        if (slots_num > 0){
            direction = "CCW"
        } else if(slots_num < 0){
            slots_num = slots_num * -1
            direction = "CW"
        }

        atc.duration = slots_num * 1000