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