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