What symbol can you use to compare these numbers?

81

81

52

52

74

28

77

77

50

100

100

49

22

94

5

4

24

63

31

56

63

63

30

79

73

92

65

45

87

26

96

8

54

87

67

47

12

29

60

98

78

17

32

8

33

39

44

25

99

80