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