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