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