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