11829 → 1831+21364 → 1361-3
21666 → 1668+21294 → 1292-2
31831 → 1833+21292 → 1290-2
41668 → 1671+31361 → 1355-6
51671 → 1682+111833 → 1820-13
61355 → 1367+121290 → 1283-7
71820 → 1821+11283 → 1281-2
81682 → 1685+31367 → 1362-5
91821 → 1828+71685 → 1680-5
101362 → 1373+111281 → 1274-7
111828 → 1830+21373 → 1370-3
121680 → 1682+21274 → 1271-3