Look how René Chrétien used reflecting grids to produce a 30x30 magic square. Notify that the second (column) grid is a reflection of the first (row) grid.
1x number
0 | 1 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 28 | 29 |
0 | 1 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 28 | 29 |
0 | 1 | 2 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 27 | 28 | 29 |
29 | 1 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 28 | 0 |
29 | 28 | 2 | 3 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 26 | 27 | 1 | 0 |
29 | 28 | 2 | 3 | 4 | 24 | 6 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 23 | 5 | 25 | 26 | 27 | 1 | 0 |
29 | 28 | 2 | 3 | 4 | 5 | 6 | 7 | 21 | 20 | 10 | 11 | 17 | 16 | 15 | 14 | 13 | 12 | 18 | 19 | 9 | 8 | 22 | 23 | 24 | 25 | 26 | 27 | 1 | 0 |
0 | 28 | 2 | 3 | 4 | 5 | 6 | 22 | 21 | 20 | 10 | 11 | 17 | 16 | 15 | 14 | 13 | 12 | 18 | 19 | 9 | 8 | 7 | 23 | 24 | 25 | 26 | 27 | 1 | 29 |
0 | 28 | 27 | 26 | 4 | 5 | 6 | 7 | 8 | 20 | 10 | 11 | 12 | 13 | 15 | 14 | 16 | 17 | 18 | 19 | 9 | 21 | 22 | 23 | 24 | 25 | 3 | 2 | 1 | 29 |
0 | 28 | 27 | 26 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 3 | 2 | 1 | 29 |
0 | 1 | 27 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 2 | 28 | 29 |
0 | 1 | 27 | 3 | 25 | 24 | 6 | 7 | 8 | 9 | 19 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 10 | 20 | 21 | 22 | 23 | 5 | 4 | 26 | 2 | 28 | 29 |
0 | 28 | 27 | 3 | 25 | 5 | 23 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 6 | 24 | 4 | 26 | 2 | 1 | 29 |
29 | 1 | 2 | 26 | 4 | 5 | 23 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 6 | 24 | 25 | 3 | 27 | 28 | 0 |
29 | 1 | 27 | 3 | 4 | 24 | 6 | 7 | 8 | 9 | 19 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 10 | 20 | 21 | 22 | 23 | 5 | 25 | 26 | 2 | 28 | 0 |
0 | 28 | 27 | 3 | 25 | 24 | 6 | 7 | 8 | 9 | 19 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 10 | 20 | 21 | 22 | 23 | 5 | 4 | 26 | 2 | 1 | 29 |
0 | 28 | 2 | 26 | 25 | 5 | 23 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 6 | 24 | 4 | 3 | 27 | 1 | 29 |
29 | 28 | 2 | 26 | 4 | 5 | 23 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 6 | 24 | 25 | 3 | 27 | 1 | 0 |
29 | 1 | 2 | 26 | 4 | 24 | 6 | 7 | 8 | 9 | 19 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 10 | 20 | 21 | 22 | 23 | 5 | 25 | 3 | 27 | 28 | 0 |
29 | 1 | 2 | 3 | 25 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 4 | 26 | 27 | 28 | 0 |
29 | 28 | 2 | 26 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 3 | 27 | 1 | 0 |
0 | 28 | 27 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 18 | 12 | 13 | 14 | 15 | 16 | 17 | 11 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 2 | 1 | 29 |
29 | 28 | 2 | 3 | 4 | 5 | 6 | 22 | 8 | 9 | 10 | 18 | 12 | 13 | 14 | 15 | 16 | 17 | 11 | 19 | 20 | 21 | 7 | 23 | 24 | 25 | 26 | 27 | 1 | 0 |
29 | 28 | 2 | 3 | 4 | 5 | 6 | 22 | 21 | 9 | 10 | 18 | 17 | 16 | 14 | 15 | 13 | 12 | 11 | 19 | 20 | 8 | 7 | 23 | 24 | 25 | 26 | 27 | 1 | 0 |
29 | 28 | 2 | 3 | 4 | 24 | 23 | 22 | 21 | 20 | 10 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 19 | 9 | 8 | 7 | 6 | 5 | 25 | 26 | 27 | 1 | 0 |
29 | 1 | 27 | 3 | 25 | 5 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 24 | 4 | 26 | 2 | 28 | 0 |
0 | 1 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 28 | 29 |
0 | 1 | 2 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 27 | 28 | 29 |
29 | 1 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 28 | 0 |
0 | 1 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 28 | 29 |
+30x number
0 | 0 | 0 | 29 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 0 | 0 | 29 | 29 | 29 | 29 | 0 | 29 | 29 | 29 | 29 | 0 | 0 | 29 | 0 |
1 | 1 | 1 | 1 | 28 | 28 | 28 | 28 | 28 | 28 | 1 | 1 | 28 | 1 | 1 | 28 | 28 | 28 | 1 | 1 | 28 | 28 | 28 | 28 | 28 | 1 | 1 | 1 | 1 | 1 |
27 | 27 | 2 | 27 | 2 | 2 | 2 | 2 | 27 | 27 | 27 | 27 | 27 | 2 | 27 | 27 | 2 | 2 | 2 | 2 | 2 | 27 | 2 | 2 | 2 | 27 | 27 | 2 | 27 | 27 |
26 | 26 | 26 | 26 | 3 | 3 | 3 | 3 | 26 | 26 | 3 | 3 | 3 | 26 | 3 | 3 | 26 | 26 | 26 | 3 | 26 | 3 | 3 | 3 | 3 | 3 | 26 | 26 | 26 | 26 |
25 | 25 | 25 | 25 | 25 | 4 | 4 | 4 | 4 | 4 | 4 | 25 | 25 | 4 | 4 | 25 | 25 | 4 | 4 | 25 | 4 | 4 | 4 | 4 | 4 | 25 | 25 | 25 | 25 | 25 |
24 | 24 | 24 | 24 | 24 | 24 | 5 | 5 | 5 | 5 | 5 | 24 | 5 | 5 | 24 | 24 | 5 | 5 | 24 | 5 | 5 | 5 | 5 | 5 | 24 | 5 | 24 | 24 | 24 | 24 |
23 | 23 | 23 | 23 | 23 | 6 | 6 | 6 | 6 | 6 | 23 | 6 | 23 | 23 | 6 | 6 | 23 | 23 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 23 | 23 | 23 | 23 | 23 |
22 | 22 | 22 | 22 | 22 | 22 | 7 | 22 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 20 | 20 | 20 | 20 | 20 | 20 |
19 | 19 | 19 | 19 | 19 | 19 | 10 | 10 | 10 | 10 | 10 | 19 | 10 | 10 | 19 | 19 | 10 | 10 | 19 | 10 | 10 | 10 | 10 | 10 | 10 | 19 | 19 | 19 | 19 | 19 |
18 | 18 | 18 | 18 | 18 | 18 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 |
14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
11 | 11 | 11 | 11 | 11 | 11 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
10 | 10 | 10 | 10 | 10 | 10 | 19 | 19 | 19 | 19 | 19 | 10 | 19 | 19 | 10 | 10 | 19 | 19 | 10 | 19 | 19 | 19 | 19 | 19 | 19 | 10 | 10 | 10 | 10 | 10 |
9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 9 | 9 | 9 | 9 | 9 | 9 |
8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
7 | 7 | 7 | 7 | 7 | 7 | 22 | 7 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
6 | 6 | 6 | 6 | 6 | 23 | 23 | 23 | 23 | 23 | 6 | 23 | 6 | 6 | 23 | 23 | 6 | 6 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 6 | 6 | 6 | 6 | 6 |
5 | 5 | 5 | 5 | 5 | 5 | 24 | 24 | 24 | 24 | 24 | 5 | 24 | 24 | 5 | 5 | 24 | 24 | 5 | 24 | 24 | 24 | 24 | 24 | 5 | 24 | 5 | 5 | 5 | 5 |
4 | 4 | 4 | 4 | 4 | 25 | 25 | 25 | 25 | 25 | 25 | 4 | 4 | 25 | 25 | 4 | 4 | 25 | 25 | 4 | 25 | 25 | 25 | 25 | 25 | 4 | 4 | 4 | 4 | 4 |
3 | 3 | 3 | 3 | 26 | 26 | 26 | 26 | 3 | 3 | 26 | 26 | 26 | 3 | 26 | 26 | 3 | 3 | 3 | 26 | 3 | 26 | 26 | 26 | 26 | 26 | 3 | 3 | 3 | 3 |
2 | 2 | 27 | 2 | 27 | 27 | 27 | 27 | 2 | 2 | 2 | 2 | 2 | 27 | 2 | 2 | 27 | 27 | 27 | 27 | 27 | 2 | 27 | 27 | 27 | 2 | 2 | 27 | 2 | 2 |
28 | 28 | 28 | 28 | 1 | 1 | 1 | 1 | 1 | 1 | 28 | 28 | 1 | 28 | 28 | 1 | 1 | 1 | 28 | 28 | 1 | 1 | 1 | 1 | 1 | 28 | 28 | 28 | 28 | 28 |
29 | 29 | 29 | 0 | 0 | 0 | 0 | 29 | 29 | 29 | 29 | 29 | 29 | 0 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 29 | 29 | 0 | 29 |
= (simple) 30x30 magic square
1 | 2 | 28 | 897 | 896 | 895 | 894 | 23 | 22 | 21 | 20 | 19 | 18 | 887 | 886 | 15 | 14 | 883 | 882 | 881 | 880 | 9 | 878 | 877 | 876 | 875 | 4 | 3 | 899 | 30 |
31 | 32 | 58 | 57 | 866 | 865 | 864 | 863 | 862 | 861 | 50 | 49 | 858 | 47 | 46 | 855 | 854 | 853 | 42 | 41 | 850 | 849 | 848 | 847 | 846 | 35 | 34 | 33 | 59 | 60 |
811 | 812 | 63 | 837 | 86 | 85 | 84 | 83 | 832 | 831 | 830 | 829 | 828 | 77 | 826 | 825 | 74 | 73 | 72 | 71 | 70 | 819 | 68 | 67 | 66 | 815 | 814 | 88 | 839 | 840 |
810 | 782 | 808 | 807 | 116 | 115 | 114 | 113 | 802 | 801 | 110 | 109 | 108 | 797 | 106 | 105 | 794 | 793 | 792 | 101 | 790 | 99 | 98 | 97 | 96 | 95 | 784 | 783 | 809 | 781 |
780 | 779 | 753 | 754 | 776 | 145 | 144 | 143 | 142 | 141 | 140 | 769 | 768 | 137 | 136 | 765 | 764 | 133 | 132 | 761 | 130 | 129 | 128 | 127 | 126 | 755 | 777 | 778 | 752 | 751 |
750 | 749 | 723 | 724 | 725 | 745 | 157 | 173 | 172 | 171 | 170 | 739 | 168 | 167 | 736 | 735 | 164 | 163 | 732 | 161 | 160 | 159 | 158 | 174 | 726 | 176 | 747 | 748 | 722 | 721 |
720 | 719 | 693 | 694 | 695 | 186 | 187 | 188 | 202 | 201 | 701 | 192 | 708 | 707 | 196 | 195 | 704 | 703 | 199 | 200 | 190 | 189 | 203 | 204 | 205 | 716 | 717 | 718 | 692 | 691 |
661 | 689 | 663 | 664 | 665 | 666 | 217 | 683 | 232 | 231 | 221 | 222 | 228 | 227 | 226 | 225 | 224 | 223 | 229 | 230 | 220 | 219 | 668 | 684 | 685 | 686 | 687 | 688 | 662 | 690 |
631 | 659 | 658 | 657 | 635 | 636 | 637 | 638 | 249 | 261 | 251 | 252 | 253 | 254 | 256 | 255 | 257 | 258 | 259 | 260 | 250 | 262 | 263 | 654 | 655 | 656 | 634 | 633 | 632 | 660 |
601 | 629 | 628 | 627 | 605 | 606 | 607 | 608 | 609 | 280 | 281 | 282 | 283 | 284 | 285 | 286 | 287 | 288 | 289 | 290 | 291 | 292 | 293 | 294 | 625 | 626 | 604 | 603 | 602 | 630 |
571 | 572 | 598 | 574 | 575 | 576 | 307 | 308 | 309 | 310 | 311 | 582 | 313 | 314 | 585 | 586 | 317 | 318 | 589 | 320 | 321 | 322 | 323 | 324 | 325 | 596 | 597 | 573 | 599 | 600 |
541 | 542 | 568 | 544 | 566 | 565 | 337 | 338 | 339 | 340 | 350 | 342 | 343 | 344 | 345 | 346 | 347 | 348 | 349 | 341 | 351 | 562 | 563 | 564 | 546 | 545 | 567 | 543 | 569 | 570 |
511 | 539 | 538 | 514 | 536 | 516 | 534 | 518 | 369 | 370 | 371 | 372 | 373 | 374 | 375 | 376 | 377 | 378 | 379 | 380 | 381 | 382 | 383 | 517 | 535 | 515 | 537 | 513 | 512 | 540 |
510 | 482 | 483 | 507 | 485 | 486 | 504 | 488 | 399 | 400 | 401 | 402 | 403 | 404 | 405 | 406 | 407 | 408 | 409 | 410 | 411 | 412 | 413 | 487 | 505 | 506 | 484 | 508 | 509 | 481 |
480 | 452 | 478 | 454 | 455 | 475 | 457 | 458 | 459 | 430 | 440 | 432 | 433 | 434 | 435 | 436 | 437 | 438 | 439 | 431 | 441 | 442 | 443 | 444 | 456 | 476 | 477 | 453 | 479 | 451 |
421 | 449 | 448 | 424 | 446 | 445 | 427 | 428 | 429 | 460 | 470 | 462 | 463 | 464 | 465 | 466 | 467 | 468 | 469 | 461 | 471 | 472 | 473 | 474 | 426 | 425 | 447 | 423 | 422 | 450 |
391 | 419 | 393 | 417 | 416 | 396 | 414 | 398 | 489 | 490 | 491 | 492 | 493 | 494 | 495 | 496 | 497 | 498 | 499 | 500 | 501 | 502 | 503 | 397 | 415 | 395 | 394 | 418 | 392 | 420 |
390 | 389 | 363 | 387 | 365 | 366 | 384 | 368 | 519 | 520 | 521 | 522 | 523 | 524 | 525 | 526 | 527 | 528 | 529 | 530 | 531 | 532 | 533 | 367 | 385 | 386 | 364 | 388 | 362 | 361 |
360 | 332 | 333 | 357 | 335 | 355 | 547 | 548 | 549 | 550 | 560 | 552 | 553 | 554 | 555 | 556 | 557 | 558 | 559 | 551 | 561 | 352 | 353 | 354 | 336 | 356 | 334 | 358 | 359 | 331 |
330 | 302 | 303 | 304 | 326 | 306 | 577 | 578 | 579 | 580 | 581 | 312 | 583 | 584 | 315 | 316 | 587 | 588 | 319 | 590 | 591 | 592 | 593 | 594 | 595 | 305 | 327 | 328 | 329 | 301 |
300 | 299 | 273 | 297 | 275 | 276 | 277 | 278 | 279 | 610 | 611 | 612 | 613 | 614 | 615 | 616 | 617 | 618 | 619 | 620 | 621 | 622 | 623 | 624 | 295 | 296 | 274 | 298 | 272 | 271 |
241 | 269 | 268 | 244 | 245 | 246 | 247 | 248 | 639 | 640 | 641 | 649 | 643 | 644 | 645 | 646 | 647 | 648 | 642 | 650 | 651 | 652 | 653 | 264 | 265 | 266 | 267 | 243 | 242 | 270 |
240 | 239 | 213 | 214 | 215 | 216 | 667 | 233 | 669 | 670 | 671 | 679 | 673 | 674 | 675 | 676 | 677 | 678 | 672 | 680 | 681 | 682 | 218 | 234 | 235 | 236 | 237 | 238 | 212 | 211 |
210 | 209 | 183 | 184 | 185 | 696 | 697 | 713 | 712 | 700 | 191 | 709 | 198 | 197 | 705 | 706 | 194 | 193 | 702 | 710 | 711 | 699 | 698 | 714 | 715 | 206 | 207 | 208 | 182 | 181 |
180 | 179 | 153 | 154 | 155 | 175 | 744 | 743 | 742 | 741 | 731 | 169 | 738 | 737 | 166 | 165 | 734 | 733 | 162 | 740 | 730 | 729 | 728 | 727 | 156 | 746 | 177 | 178 | 152 | 151 |
150 | 122 | 148 | 124 | 146 | 756 | 774 | 773 | 772 | 771 | 770 | 139 | 138 | 767 | 766 | 135 | 134 | 763 | 762 | 131 | 760 | 759 | 758 | 757 | 775 | 125 | 147 | 123 | 149 | 121 |
91 | 92 | 118 | 117 | 806 | 805 | 804 | 803 | 112 | 111 | 800 | 799 | 798 | 107 | 796 | 795 | 104 | 103 | 102 | 791 | 100 | 789 | 788 | 787 | 786 | 785 | 94 | 93 | 119 | 120 |
61 | 62 | 813 | 87 | 836 | 835 | 834 | 833 | 82 | 81 | 80 | 79 | 78 | 827 | 76 | 75 | 824 | 823 | 822 | 821 | 820 | 69 | 818 | 817 | 816 | 65 | 64 | 838 | 89 | 90 |
870 | 842 | 868 | 867 | 56 | 55 | 54 | 53 | 52 | 51 | 860 | 859 | 48 | 857 | 856 | 45 | 44 | 43 | 852 | 851 | 40 | 39 | 38 | 37 | 36 | 845 | 844 | 843 | 869 | 841 |
871 | 872 | 898 | 27 | 26 | 25 | 24 | 893 | 892 | 891 | 890 | 889 | 888 | 17 | 16 | 885 | 884 | 13 | 12 | 11 | 10 | 879 | 8 | 7 | 6 | 5 | 874 | 873 | 29 | 900 |
Use the method of reflecting grids (1) to construct magic squares of order is double odd. See 6x6, 10x10, 14x14, 18x18, 22x22, 26x26 en 30x30