2 Digits Pattern:

1. xx

For the same numbers such as 11,22,33 etc

4 Digits Pattern:

1. xxxx

5555, 7777, 2222, 3333 etc

2. xxxy

5553, 7774 etc

3. xxyy

5512, 7758 etc

4. xzzx

5775, 3443 etc

5. xxzz

5577, 3366 etc

6. yyxx

1233,1244, 1255 etc

7. yxxx

1222, 7555 etc

If you know exact number, such as 11xx, 11yy, 2xx2

1122, 1156, 2002

5 Digits Patterns:

1. xxxxx

55555, 88888 etc

2. xxxxy

55558, 77779 etc

3. xxxyy

55512, 77752 etc

4. xxxzz

55577, 33366 etc

5. xxyyy

22134, 44678 etc

6. xxzzz

22333, 55777 etc

7. xxyzz

11233, 77566 etc

8. xyyyx

12341, 34793 etc

9. xzzzx

12221, 38883 etc

10. yxxxx

57777, 26666 etc

11. yxxzz

16688, 24455 etc

12. yyyxx

12388, 16799 etc

13. yyxxx

12555, 49666 etc

14. yyxxy

12558, 28669 etc

15. xxzzy

11228, 66112 etc

16. xxzyz

11252, 44969 etc

17. yxxxy

12223, 74441 etc

18. xzzzx

12221, 59995 etc

19. xzxzx

12121, 58585 etc

20. xzxzz

12122, 59599 etc

21. xzzxx

12211, 64466 etc

22. xyxxx

14111, 59555 etc

23. If you know exact number, such as xxx00, yyy00, xzxz0, xyx00

11100, 12300, 12120 18100 etc