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