All you have to do is say the next number after the person says. Example: If I say 1 the next person will say 2. so I wil start 1
1348
1349
1350
1351
1352
1353
1354
1355
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373