Compare the numbers digit by digit, starting from the ten-thousands place.<br><br>Ten-thousands digits: 8, 8, 8, 8. Numbers with the same ten-thousands digit are further compared at the thousands, hundreds, tens, and ones places.<br><br>From smallest to largest:<br>&bull; 81526 (smallest)<br>&bull; 81652<br>&bull; 82165<br>&bull; 82516 (largest)<br><br>Final Answer: 81526, 81652, 82165, 82516