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