Todas las posibilidades de cualquier disposición de 4 números del 1 al 9

1234.1235.1236.1237.1238.1239.1245.1246.1247.1248.1249.1256.1257.1258.1259.1267.1268.1269.1278.1279.1289.1345.1346 1. 347.1348.1349.1356.1357.1358.1359.1367.1368.1369.1378.1379.1389.1456.1457.1458.1459.1467.1468.1469 .1489 .1567.1568.1569.1578.1579.1589.1678.1679.1689.1789.2345.2346.2347.2348.2349.2356.2357.2358.2359.2367.2368.2369.2378. 2379.2389.2456.2457.2458.2459.2467.2468.2469.2478.2479.2489.2567.2568.2569.2578.2579.2589.2678.2679.2689.2789.3456.3457.345 8 .3459.3467 .4679.4689 4789.5678.5679.5689.5789.6789