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[(0,1),(1,2),(0,2),(1,3),(3,4),(4,5),(4,6),(2,6),(3,7),(6,8),(8,9),(7,10),(9,10),(5,11),(8,11),(10,12),(5,12),(11,13),(7,14),(13,14),(13,15),(15,16),(12,17),(16,18),(17,19),(9,19),(16,20),(15,21),(19,21),(20,22),(14,22),(18,23),(17,24),(23,25),(24,25),(25,26),(18,27),(23,28),(28,29),(28,30),(21,30),(27,31),(30,32),(31,32),(27,33),(22,34),(24,34),(31,35),(20,36),(34,36),(26,37),(36,38),(26,39),(35,39),(29,40),(37,40),(29,41),(40,42),(33,43),(41,44),(42,44),(33,45),(32,46),(46,47),(45,47),(43,48),(38,49),(37,49),(48,50),(43,51),(51,52),(49,52),(44,53),(39,54),(35,55),(48,56),(55,57),(51,58),(50,59),(57,60),(42,61),(58,62),(56,63),(54,64),(53,65),(53,66),(57,67),(50,68),(47,69),(45,70),(55,71),(56,72),(58,73),(54,74),(46,75),(41,76),(52,77),(38,78)]
