[(0,1),(0,2),(1,3),(3,4),(2,5),(4,6),(6,7),(2,8),(5,9),(3,10),(8,11),(5,12),(11,13),(9,14),(1,15),(12,16),(15,17),(17,18),(11,19),(14,20),(17,21),(8,22),(12,23),(13,24),(24,25),(22,26),(23,27),(16,28),(10,29),(26,30),(7,30),(21,31),(9,32),(13,33),(25,34),(18,35),(25,36),(21,37),(31,38),(27,39),(37,40),(32,41),(10,42),(29,43),(30,44),(4,45),(28,46),(27,47),(34,48),(41,49),(34,50),(47,51),(49,52),(14,53),(39,54),(50,55),(35,56),(44,57),(20,58),(28,59),(23,60),(45,61),(42,62),(18,63),(47,64),(38,65),(6,66),(46,67),(7,68),(35,69),(22,70),(45,71),(38,72),(40,73),(19,74),(33,75),(19,76),(26,77),(43,78),(16,79),(48,80),(37,81),(29,82),(49,83),(48,84),(31,85),(40,86),(46,87),(24,88),(44,89),(20,90),(15,91),(42,92),(33,93),(39,94),(36,95),(36,96),(43,97),(32,98),(50,99),(41,100)]
[(0,1),(0,2),(1,3),(3,4),(2,5),(4,6),(6,7),(2,8),(5,9),(3,10),(8,11),(5,12),(11,13),(9,14),(1,15),(12,16),(15,17),(17,18),(11,19),(14,20),(17,21),(8,22),(12,23),(13,24),(24,25),(22,26),(23,27),(16,28),(10,29),(26,30),(7,30),(21,31),(9,32),(13,33),(25,34),(18,35),(25,36),(21,37),(31,38),(27,39),(37,40),(32,41),(10,42),(29,43),(30,44),(4,45),(28,46),(27,47),(34,48),(41,49),(34,50),(47,51),(49,52),(14,53),(39,54),(50,55),(35,56),(44,57),(20,58),(28,59),(23,60),(45,61),(42,62),(18,63),(47,64),(38,65),(6,66),(46,67),(7,68),(35,69),(22,70),(45,71),(38,72),(40,73),(19,74),(33,75),(19,76),(26,77),(43,78),(16,79),(48,80),(37,81),(29,82),(49,83),(48,84),(31,85),(40,86),(46,87),(24,88),(44,89),(20,90),(15,91),(42,92),(33,93),(39,94),(36,95),(36,96),(43,97),(32,98),(50,99),(41,100)]
