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