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