[(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)]
[(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)]
