O_3 is is isomorphic to O_4
O_6 is is isomorphic to O_7
O_5 is is isomorphic to O_8
O_12 is is isomorphic to O_13
O_11 is is isomorphic to O_14
O_10 is is isomorphic to O_15
O_9 is is isomorphic to O_16
O_24 is is isomorphic to O_25
O_23 is is isomorphic to O_26
O_22 is is isomorphic to O_27
O_21 is is isomorphic to O_28
O_20 is is isomorphic to O_29
O_19 is is isomorphic to O_30
O_18 is is isomorphic to O_31
O_17 is is isomorphic to O_32
O_44 is is isomorphic to O_46
O_39 is is isomorphic to O_47
O_43 is is isomorphic to O_48
O_42 is is isomorphic to O_49
O_41 is is isomorphic to O_50
O_40 is is isomorphic to O_51
O_38 is is isomorphic to O_52
O_37 is is isomorphic to O_53
O_36 is is isomorphic to O_54
O_35 is is isomorphic to O_55
O_34 is is isomorphic to O_56
O_33 is is isomorphic to O_57
O_75 is is isomorphic to O_78
O_73 is is isomorphic to O_79
O_72 is is isomorphic to O_80
O_71 is is isomorphic to O_81
O_70 is is isomorphic to O_82
O_69 is is isomorphic to O_83
O_68 is is isomorphic to O_84
O_66 is is isomorphic to O_85
O_65 is is isomorphic to O_86
O_64 is is isomorphic to O_87
O_63 is is isomorphic to O_88
O_61 is is isomorphic to O_89
O_60 is is isomorphic to O_90
O_59 is is isomorphic to O_91
O_58 is is isomorphic to O_92
O_108 is is isomorphic to O_113
O_116 is is isomorphic to O_117
O_104 is is isomorphic to O_118
O_112 is is isomorphic to O_119
O_99 is is isomorphic to O_120
O_109 is is isomorphic to O_121
O_98 is is isomorphic to O_122
O_107 is is isomorphic to O_123
O_106 is is isomorphic to O_124
O_94 is is isomorphic to O_125
O_103 is is isomorphic to O_126
O_101 is is isomorphic to O_127
O_100 is is isomorphic to O_128
O_97 is is isomorphic to O_129
O_95 is is isomorphic to O_130
O_93 is is isomorphic to O_131
O_142 is is isomorphic to O_143
O_137 is is isomorphic to O_144
O_145 is is isomorphic to O_148
O_151 is is isomorphic to O_152
O_150 is is isomorphic to O_153
O_147 is is isomorphic to O_154
O_133 is is isomorphic to O_155
O_141 is is isomorphic to O_156
O_140 is is isomorphic to O_157
O_139 is is isomorphic to O_158
O_136 is is isomorphic to O_159
O_135 is is isomorphic to O_160
O_132 is is isomorphic to O_161
O_162 is is isomorphic to O_163
O_165 is is isomorphic to O_166
O_169 is is isomorphic to O_170
O_164 is is isomorphic to O_172
O_171 is is isomorphic to O_173