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