s65 -> s47 s47 -> s65 s51 -> s50 s50 -> s51 s66 -> s48 s48 -> s66 s57 -> s56 s137 -> s60 + s61 s161 -> s166 + s46 s161 -> s56 + s61 s137 -> s166 + s46 s137 -> s161 s55 -> s67 s67 -> s63 s63 -> s67 s166 + s67 -> s149 s149 -> s166 + s67 s149 -> s166 + s94 s166 + s63 -> s153 s153 -> s166 + s63 s153 -> s166 + s94 s153 -> s149 s67 -> s94 s153 -> s63 s149 -> s61 + s67 s63 -> s94 s71 -> s70 s70 -> s71 s73 -> s72 s72 -> s74 s76 -> s75 s75 -> s77 s78 -> s81 s79 -> s80 s80 -> s79 s60 -> s46 s56 -> s46 s161 -> s137 s149 -> s153 s82 -> s83 s83 -> s82 s85 -> s84 s84 -> s88 s81 -> s93 s166 + s56 -> s161 s161 -> s166 + s56 s60 -> s56 s56 -> s60 s166 + s60 -> s137 s137 -> s166 + s60 s166 -> s61 s52 -> s166 s89 -> s90 s91 -> s92 s90 -> s91