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