[(0,1),(1,2),(2,3),(3,4),(4,5),(3,6),(2,7),(4,7),(5,8),(6,9),(9,10),(9,11),(8,11),(11,12),(0,13),(1,14),(12,15),(14,16),(10,17),(15,17),(17,18),(16,19),(15,19),(12,20),(18,21),(19,21),(13,22),(20,23),(16,24),(6,24),(23,25),(18,26),(21,27),(8,28),(26,29),(24,30),(14,31),(29,31),(28,32),(28,33),(23,33),(25,34),(5,35),(27,36),(32,36),(13,37),(22,37),(22,38),(10,39),(29,40),(33,41),(27,42),(32,43),(36,44),(30,45),(30,46),(37,47),(31,48),(35,49),(7,50),(38,51),(26,52),(34,53),(38,54),(35,55),(34,56),(20,57),(25,58)]
[(0,1),(0,2),(2,3),(2,4),(1,5),(4,5),(5,6),(3,7),(6,7),(4,8),(8,9),(8,10),(10,11),(9,12),(7,13),(6,14),(11,15),(10,15),(3,16),(15,17),(14,17),(17,18),(14,19),(16,20),(18,20),(19,21),(21,22),(13,23),(16,23),(12,24),(21,25),(25,26),(24,27),(20,27),(18,28),(26,29),(9,29),(12,30),(27,31),(29,31),(22,32),(19,33),(13,34),(28,35),(1,36),(34,36),(23,37),(33,38),(30,39),(24,40),(32,41),(30,42),(33,43),(38,44),(35,45),(26,46),(28,47),(37,48),(32,49),(25,50),(22,51),(34,52),(38,53),(37,54),(36,55),(31,56),(35,57),(11,58)]
