Duplicate number : 1,2,3,4,5,6,10,11,15,16,17,19, 21,22,23,25,26,28,29,30,31,35

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36