[(0,1),(1,2),(0,3),(3,4),(2,4),(2,5),(3,6),(5,7),(5,8),(8,9),(9,10),(9,11),(10,12),(7,13),(4,14),(8,15),(6,15),(12,16),(16,17),(12,18),(13,19),(19,20),(14,21),(14,22),(18,23),(21,24),(21,25),(16,26),(20,27),(11,28),(22,29),(18,30),(17,31),(11,32),(6,33),(22,34),(15,35),(7,36),(13,37),(19,38),(10,39),(17,40),(1,41),(20,42)]
[(0,1),(0,2),(1,3),(2,4),(3,5),(2,6),(3,7),(5,8),(1,9),(8,9),(9,10),(4,11),(6,11),(7,12),(10,13),(4,14),(14,15),(13,16),(6,17),(16,18),(5,19),(8,20),(12,21),(21,22),(20,23),(14,24),(17,25),(12,26),(22,27),(20,28),(19,29),(18,30),(15,31),(17,32),(19,33),(15,34),(13,35),(11,36),(16,37),(10,38),(21,39),(18,40),(7,41),(22,42)]
