Ultra 9x9 in 11x11 magic square (1)

 

Take a ultra magic 9x9 square and add 20 to all numbers, so in the 9x9 inlay are the 81 middle numbers from 21 up to 101.

 

In the border are the 20 lowest (1 up to 20) and the 20 highest (102 up to 121) numbers. Read the explanation on webpage 3x3 in 5x5 & concentric, how to construct the border.

 

See in the download below how the 11x11 border has been constructed or use the download to puzzle your own border.

 

The result is:

 

 

Ultra 9x9 in 11x11 magic square

13

20

17

16

12

113

114

117

118

120

11

115

21

88

74

26

90

67

28

86

69

7

116

64

41

78

57

43

83

62

45

76

6

119

98

54

31

100

50

33

93

52

38

3

121

66

25

92

71

27

85

73

23

87

1

19

82

59

42

75

61

47

80

63

40

103

18

35

99

49

37

95

51

30

97

56

104

15

84

70

29

89

72

22

91

68

24

107

14

46

77

60

39

79

65

44

81

58

108

10

53

36

94

55

32

96

48

34

101

112

111

102

105

106

110

9

8

5

4

2

109

 

 

You can use this method to construct magic squares of odd order from 5x5 to infinity. See on this website 5x57x79x911x1113x1315x1517x1719x1921x2123x2325x2527x2729x29 31x31

 

Download
11x11, ultra 9x9 in 11x11 (1).xls
Microsoft Excel werkblad 44.5 KB