Compare the digits from left to right.<br><br>All numbers have 5 digits. Compare the ten-thousands: all are 8.<br>Compare the thousands: 5, 5, 1, 1.<br>&bull; The numbers with thousands digit 1 are smaller. Among 81596 and 81965: thousands both 1, hundreds: 5 &lt; 9, so 81596 is smallest, then 81965.<br>&bull; Among 85196 and 85619: thousands both 5, hundreds: 1 &lt; 6, so 85196 comes next, then 85619.<br><br>Final Answer: 81596, 81965, 85196, 85619