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