Arrange the numbers: 12, 20, 9 in order. Begin with the smallest.<hr> <input min="0" type="number" id ="imp1pg061q8_1" class="lineinput" placeholder="?" />, <input min="0" type="number" id ="imp1pg061q8_2" class="lineinput" placeholder="?" />, <input min="0" type="number" id ="imp1pg061q8_3" class="lineinput" placeholder="?" />