Difficulty

Easiest

3

2

3

Beginner/Very Easy

4

5

6

7

8

9

10

Easy

11

12

13

14

15

16

17

Standard

18

19

20

21

22

23

24

25

Tricky

26

27

28

29

30

31

32

33

Difficult

34

35

36

37

38

39

40

41

Very Difficult

42

43

44

45

46

47

48

49

Challenging

50

51

52

53

54

55

56

57

58

59

Very Challenging

60

61

62

63

64

65

66

62

68

69

Master

70

71

72

73

74

75

76

77

78

79

80

81

82

83

83

Guru

85

86

87

88

89

89

91

93

93

94

95

96

97

98

99

Brutal

100

101

102

103

104

104

104

106

107

110

110

111

112

113

113

117