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