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