21                                   22                                   23                                  24

                  13                                   14                                   15                                  16

                 45                                   46                                   47                                  48

                 73                                   74                                   75                                  76

                109                                 110                                 111                               112

                 37                                   38                                   39                                  40

                 81                                   82                                   83                                  84

                  17                                   18                                   19                                 20

                 89                                   90                                   91                                  92

                 41                                   42                                   43                                  44

                 57                                   58                                   59                                  60

                   1                                     2                                   3                                    4

                   5                                     6                                   7                                    8

                   9                                   10                                   11                                   12

                 77                                   78                                   79                                  80

                 49                                   50                                   51                                  52

                 101                                 102                                 103                                 104

                 29                                   30                                   31                                  32

                 25                                   26                                   27                                  28

                 53                                   54                                   55                                  56

                 85                                   86                                   87                                  88

                 97                                   98                                   99                                  100

                 93                                   94                                   95                                  96

                 61                                   62                                   63                                  64

                                                                        117

                 65                                   66                                   67                                  68

                 69                                   70                                   71                                  72

                113                                 114                                 115                               116

                 33                                   34                                   35                                  36

                 105                                 106                                 107                                108