12003 → 2006+31500 → 1498-2
21768 → 1780+121794 → 1781-13
31643 → 1651+81490 → 1483-7
42006 → 2011+51651 → 1647-4
51781 → 1786+51498 → 1495-3
61780 → 1784+41483 → 1478-5
72011 → 2020+91784 → 1779-5
81786 → 1794+81647 → 1639-8
91478 → 1489+111495 → 1486-9