[(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)]
[(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)]
