41                               42                                43                                44

         73                                74                               75                                76

         121                               122                             123                             124

         173                               174                             175                             176

         69                                70                               71                                72

         49                               50                                51                                52

         45                               46                                47                                48

         77                                78                               79                                80

          21                                22                               23                                24

         61                                62                                63                                64

         145                               146                             147                             148

          29                               30                                31                                32

         129                               130                             131                             132

           5                                 6                                  7                                  8

         101                               102                             103                             104

         113                               114                             115                             116

          13                                14                                15                               16

         37                                38                                39                                40

         53                               54                                55                                 56

          17                                18                                19                               20

         109                               110                             111                             112

         89                                90                               91                                92

         149                               150                             151                             152

         141                               142                             143                             144

         85                                86                               87                                88

         105                               106                             107                             108

         165                               166                             167                             168

         93                                94                               95                                96

         125                               126                             127                             128

         57                                58                                59                                 60

         169                               170                             171                             172

           9                                10                                11                               12

         157                               158                             159                             160

         153                               154                             155                             156

         133                               134                             135                             136

          25                                 26                               27                               28

         117                               118                             119                             120

         161                               162                             163                             164

            1                                2                                   3                                4

         33                                34                                35                                36

         97                                98                               99                                100

         137                               138                             139                             140

         81                                82                               83                                84

         65                                66                                67                                68