11806 → 1811+51580 → 1574-6
21993 → 2001+81810 → 1802-8
31848 → 1860+121798 → 1788-10
41811 → 1820+91860 → 1845-15
51802 → 1808+61574 → 1568-6
61788 → 1804+162001 → 1982-19
71982 → 1991+91820 → 1815-5
81808 → 1822+141845 → 1830-15
91568 → 1586+181804 → 1787-17