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