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