[(0,1),(0,2),(1,2),(1,3),(2,4),(4,5),(3,6),(4,6),(6,7),(5,7),(3,8),(8,9),(9,10),(10,11),(8,12),(7,13),(12,13),(9,14),(11,15),(14,15),(10,16),(14,17),(16,17),(5,18),(16,18),(12,19),(11,19),(13,20),(20,21),(17,22),(18,23),(20,23),(21,24),(19,24),(24,25),(21,25),(23,26),(22,26),(22,27),(26,28),(25,28),(15,29),(29,30),(27,30),(30,31),(29,31),(31,32),(28,33),(32,33),(33,34),(27,35),(34,35),(32,36),(35,37),(37,38),(34,38),(38,39),(37,40),(39,40),(36,41),(36,42),(41,42),(42,43),(41,43),(43,44),(40,44),(39,45),(44,46),(45,47),(45,48),(47,49),(46,49),(48,50),(46,50),(48,51),(51,52),(50,52),(51,53),(49,54),(53,54),(54,55),(47,56),(55,57),(56,57),(53,58),(52,58),(56,59),(59,60),(59,61),(57,61),(61,62),(58,62),(55,63),(60,63),(63,64),(60,65),(62,66),(65,67),(64,67),(65,68),(64,69),(68,70),(67,70),(69,71),(68,71),(71,72),(70,73),(69,74),(72,75),(74,76),(75,77),(76,77),(77,78),(66,79),(73,80),(80,81),(80,82),(78,83),(74,84),(81,84),(75,85),(85,86),(66,87),(73,87),(79,88),(83,89),(76,89),(88,90),(81,90),(83,91),(85,92),(82,93),(78,93),(88,94),(92,94),(91,95),(93,96),(95,96),(95,97),(82,97),(91,98),(94,99),(99,100),(98,100),(98,101),(86,102),(90,102),(101,103),(102,103),(87,104),(92,105),(100,106),(104,107),(103,107),(79,108),(108,109),(99,110),(107,110),(72,111),(101,112),(110,113),(109,114),(112,115),(108,115),(104,116),(112,117),(117,118),(84,118),(96,119),(114,120),(111,121),(97,122),(118,123),(86,124),(109,125),(114,126),(113,127),(89,128),(116,129),(115,130),(106,131),(116,132),(111,133),(106,134),(117,135),(105,136),(105,137),(113,138)]
[(0,1),(0,2),(2,3),(1,4),(2,4),(1,5),(3,5),(4,6),(5,7),(6,7),(7,8),(6,9),(8,10),(9,10),(10,11),(3,11),(9,12),(11,13),(13,14),(14,15),(12,15),(12,16),(16,17),(8,17),(13,18),(14,18),(18,19),(16,19),(19,20),(15,20),(20,21),(21,22),(22,23),(17,23),(22,24),(24,25),(21,26),(25,26),(26,27),(24,28),(23,29),(27,29),(29,30),(28,30),(25,31),(27,32),(31,33),(32,34),(28,35),(35,36),(32,36),(33,37),(37,38),(30,39),(34,40),(37,41),(40,41),(31,42),(36,42),(41,43),(38,43),(43,44),(34,45),(44,45),(38,46),(42,46),(33,47),(39,47),(46,48),(48,49),(39,49),(49,50),(35,50),(48,51),(40,52),(44,53),(52,54),(53,54),(53,55),(51,56),(52,56),(45,57),(56,57),(51,58),(57,58),(55,59),(58,60),(59,61),(60,61),(50,62),(55,63),(62,64),(63,64),(62,65),(59,65),(64,66),(60,67),(63,68),(67,69),(66,70),(68,70),(67,71),(70,72),(68,73),(71,74),(66,74),(71,75),(54,75),(69,76),(74,77),(47,77),(75,78),(73,79),(79,80),(76,81),(61,81),(80,82),(65,82),(72,83),(78,84),(78,85),(77,86),(82,86),(72,87),(80,87),(85,88),(88,89),(81,90),(69,91),(84,92),(90,93),(79,94),(93,94),(91,95),(76,96),(95,96),(86,97),(91,98),(85,99),(73,99),(87,100),(98,101),(101,102),(83,103),(93,103),(103,104),(92,105),(100,105),(102,106),(92,107),(97,108),(88,108),(101,109),(109,110),(95,110),(99,111),(96,111),(104,112),(94,113),(90,113),(113,114),(112,115),(114,115),(112,116),(107,116),(108,117),(89,117),(102,118),(114,119),(116,120),(117,121),(98,122),(83,123),(106,124),(89,125),(100,126),(110,127),(109,128),(105,129),(104,130),(118,131),(111,132),(106,133),(115,134),(84,135),(118,136),(97,137),(107,138)]
