[(0,1),(1,2),(0,2),(2,3),(1,4),(3,5),(5,6),(5,7),(4,7),(3,8),(8,9),(8,10),(6,11),(7,12),(10,12),(12,13),(4,14),(11,15),(6,16),(14,16),(13,17),(14,17),(15,18),(16,18),(18,19),(17,20),(13,20),(10,21),(19,22),(9,22),(19,23),(15,24),(21,25),(11,25),(24,26),(9,27),(27,28),(20,29),(26,30),(28,31),(23,31),(31,32),(27,32),(32,33),(22,34),(21,35),(35,36),(33,37),(26,38),(28,39),(29,40),(25,40),(39,41),(23,42),(38,43),(30,43),(41,44),(24,45),(45,46),(39,47),(29,47),(47,48),(37,49),(38,49),(48,50),(44,51),(50,52),(44,53),(52,54),(33,55),(35,56),(42,56),(50,57),(48,58),(46,59),(58,59),(51,60),(37,60),(57,61),(53,61),(41,62),(40,63),(42,64),(54,65),(45,66),(36,66),(43,67),(56,68),(36,68),(57,69),(30,69),(55,70),(68,71),(71,72),(69,72),(58,73),(70,74),(61,74),(65,75),(60,75),(62,76),(70,77),(63,78),(52,79),(54,80),(71,81),(62,82),(80,83),(55,84),(72,85),(67,86),(83,87),(46,88),(53,89),(73,90),(87,90),(83,91),(82,92),(79,93),(77,93),(82,94),(63,94),(80,95),(89,96),(91,96),(90,97),(86,97),(34,98),(92,98),(91,99),(97,99),(87,100),(98,101),(92,102),(94,103),(64,103),(74,104),(101,105),(88,105),(73,106),(96,106),(104,107),(93,108),(65,108),(64,109),(102,109),(84,110),(110,111),(89,112),(86,113),(105,114),(85,115),(95,115),(95,116),(34,117),(49,117),(104,118),(113,119),(79,119),(51,120),(99,121),(84,121),(100,122),(111,122),(81,123),(116,123),(111,124),(76,125),(112,126),(119,126),(115,127),(88,128),(81,129),(110,129),(120,130),(67,130),(117,131),(122,132),(114,133),(103,133),(108,134),(130,135),(123,135),(131,136),(100,137),(127,137),(133,138),(132,139),(134,140),(107,141),(139,142),(127,143),(129,144),(137,145),(131,146),(66,147),(135,147),(136,148),(134,149),(59,150),(128,151),(146,152),(124,153),(125,154),(116,155),(75,156),(140,157),(120,158),(78,159),(148,160),(142,161),(140,162),(106,163),(113,164),(143,165),(144,166),(121,167),(109,168),(118,169),(118,170),(145,171),(114,172),(136,173),(107,174),(126,175),(128,176),(132,177),(139,178),(76,179),(144,180),(125,181),(148,182),(101,183),(78,184),(112,185),(146,186),(85,187),(142,188),(77,189),(145,190),(143,191),(138,192),(138,193),(102,194),(141,195),(147,196),(124,197),(141,198)]
[(0,1),(0,2),(1,3),(2,4),(3,4),(4,5),(5,6),(3,7),(6,7),(5,8),(8,9),(1,10),(9,10),(2,11),(10,12),(8,12),(12,13),(11,13),(7,14),(11,14),(9,15),(6,16),(15,16),(13,17),(17,18),(15,18),(14,19),(19,20),(16,20),(18,21),(19,22),(21,22),(17,23),(21,24),(23,24),(23,25),(22,26),(25,26),(26,27),(24,27),(20,28),(27,29),(28,30),(29,31),(29,32),(31,32),(30,33),(31,34),(32,34),(28,35),(34,35),(25,36),(35,37),(30,37),(37,38),(33,39),(38,40),(39,41),(36,41),(39,42),(42,43),(38,43),(36,44),(41,45),(44,46),(40,47),(40,48),(44,49),(42,49),(47,50),(46,51),(45,52),(48,52),(46,53),(53,54),(45,55),(47,56),(50,57),(51,57),(54,58),(43,58),(52,59),(56,60),(60,61),(59,61),(33,62),(59,63),(61,64),(63,65),(62,66),(64,66),(63,67),(67,68),(54,69),(64,69),(55,70),(67,70),(51,71),(60,71),(49,72),(53,73),(62,74),(68,74),(73,75),(56,76),(73,76),(57,77),(58,77),(50,78),(55,79),(77,80),(68,80),(78,81),(65,82),(75,83),(70,83),(83,84),(84,85),(75,86),(71,87),(76,88),(82,89),(72,90),(87,91),(78,92),(66,93),(69,94),(79,94),(65,95),(85,96),(87,96),(85,97),(92,98),(94,99),(72,100),(88,101),(79,102),(93,102),(101,103),(101,104),(82,104),(74,105),(80,105),(92,106),(98,107),(102,108),(106,108),(48,109),(98,110),(106,110),(89,111),(107,111),(100,112),(111,113),(89,114),(96,115),(105,116),(113,117),(108,118),(109,119),(119,120),(95,121),(81,122),(110,123),(103,124),(109,125),(86,125),(124,126),(84,127),(86,128),(120,129),(99,129),(114,130),(90,131),(128,132),(117,133),(103,134),(121,135),(100,135),(133,136),(112,137),(129,138),(136,138),(128,139),(118,140),(134,140),(122,141),(112,141),(127,142),(121,142),(139,143),(123,143),(136,144),(115,145),(123,146),(122,146),(145,147),(125,148),(116,149),(81,150),(126,151),(115,152),(117,153),(134,154),(116,155),(137,156),(91,157),(133,158),(120,159),(97,160),(114,161),(145,162),(146,163),(93,164),(107,165),(126,166),(127,167),(144,168),(88,169),(141,170),(139,171),(124,172),(147,173),(148,174),(142,175),(144,176),(95,177),(132,178),(148,179),(99,180),(140,181),(90,182),(138,183),(131,184),(119,185),(91,186),(137,187),(147,188),(104,189),(135,190),(118,191),(130,192),(143,193),(130,194),(132,195),(131,196),(97,197),(113,198)]
