[(0,1),(1,2),(0,3),(2,3),(1,4),(3,4),(2,5),(5,6),(4,7),(6,8),(7,8),(7,9),(5,10),(9,11),(8,11),(10,12),(6,13),(9,13),(12,14),(14,15),(13,16),(15,17),(12,18),(17,19),(11,20),(16,20),(14,21),(15,21),(18,22),(19,23),(22,24),(16,24),(17,25),(25,26),(26,27),(23,27),(22,28),(19,28),(24,29),(26,30),(29,31),(25,32),(31,33),(28,34),(30,34),(32,35),(27,35),(18,36),(32,36),(34,37),(10,38),(35,38),(21,39),(39,40),(31,41),(23,41),(33,42),(33,43),(37,44),(41,45),(30,46),(29,46),(45,47),(40,48),(20,48),(43,49),(47,49),(37,50),(43,51),(40,51),(51,52),(44,52),(46,53),(49,53),(47,54),(45,54),(38,55),(42,55),(44,56),(42,56),(36,57),(57,58),(57,59),(58,60),(59,60),(50,61),(48,61),(59,62),(53,62),(54,63),(56,64),(63,65),(50,65),(63,66),(52,66),(62,67),(64,67),(65,68),(58,69),(60,70),(64,70),(61,71),(66,72),(71,73),(69,74),(71,75),(55,76),(69,77),(70,77),(75,78),(73,78),(75,79),(74,80),(67,81),(68,82),(80,83),(81,83),(76,84),(72,84),(78,85),(68,86),(86,87),(79,87),(82,88),(73,89),(74,90),(77,91),(85,91),(90,92),(89,92),(76,93),(83,94),(72,94),(81,95),(91,95),(95,96),(90,97),(87,98),(98,99),(88,100),(99,101),(82,102),(100,103),(98,103),(39,104),(93,104),(93,105),(103,105),(79,106),(106,107),(85,107),(104,108),(96,108),(102,109),(94,109),(99,110),(97,110),(96,111),(80,112),(86,113),(84,114),(101,114),(111,115),(111,116),(89,116),(109,117),(106,118),(117,118),(102,119),(92,119),(113,120),(114,120),(108,121),(105,122),(117,123),(118,123),(119,124),(120,125),(125,126),(115,127),(112,128),(121,129),(125,130),(88,131),(130,132),(122,133),(115,134),(131,134),(124,135),(133,135),(126,136),(129,137),(127,137),(132,138),(134,139),(110,140),(133,141),(130,142),(140,142),(112,143),(138,144),(135,145),(97,145),(141,146),(144,147),(128,148),(131,149),(143,149),(146,150),(123,150),(144,151),(116,152),(129,153),(147,153),(152,154),(136,155),(154,156),(149,156),(100,157),(127,157),(152,158),(124,159),(139,159),(158,160),(126,160),(101,161),(107,162),(113,162),(121,163),(148,164),(140,165),(160,166),(141,167),(148,168),(167,168),(122,169),(162,169),(147,170),(163,170),(151,171),(139,171),(161,172),(165,173),(154,174),(164,174),(155,175),(153,176),(145,177),(177,178),(171,179),(138,179),(169,180),(142,181),(164,182),(132,183),(173,183),(166,184),(143,185),(181,186),(159,187),(178,187),(179,188),(185,189),(150,189),(184,190),(176,190),(172,191),(146,191),(189,192),(185,193),(192,194),(170,195),(193,195),(172,196),(188,197),(165,197),(188,198),(173,198),(161,199),(151,199),(186,200),(182,201),(187,201),(156,202),(201,203),(137,203),(194,204),(166,205),(204,205),(196,206),(206,207),(203,207),(136,208),(168,209),(205,210),(196,211),(178,212),(175,213),(175,214),(209,215),(199,216),(213,217),(215,217),(208,218),(206,218),(202,219),(180,219),(163,220),(180,220),(182,221),(200,222),(202,222),(222,223),(216,224),(186,224),(218,225),(211,226),(184,226),(207,227),(174,228),(227,229),(228,229),(195,230),(227,231),(226,232),(209,232),(228,233),(225,234),(231,235),(212,235),(200,236),(157,237),(230,238),(214,238),(204,239),(128,240),(237,240),(167,241),(220,241),(237,242),(193,243),(208,244),(177,244),(236,245),(194,246),(221,246),(245,247),(198,248),(242,249),(183,250),(233,251),(242,252),(225,253),(239,254),(197,255),(239,256),(244,257),(233,258),(224,259),(219,260),(213,261),(192,262),(190,263),(238,264),(223,265),(176,266),(210,267),(158,268),(216,269),(212,270),(155,271),(217,272),(232,273),(210,274),(241,275),(181,276),(230,277),(247,278),(243,279),(229,280),(214,281),(223,282),(211,283),(240,284),(215,285),(235,286),(245,287),(236,288),(191,289),(247,290),(234,291),(246,292),(234,293),(248,294),(221,295),(243,296),(231,297),(248,298)]
[(0,1),(0,2),(1,3),(2,3),(2,4),(4,5),(4,6),(5,7),(1,8),(6,8),(7,9),(3,10),(10,11),(7,11),(5,12),(12,13),(8,13),(13,14),(12,14),(10,15),(11,16),(6,17),(9,18),(15,18),(17,19),(16,20),(17,20),(14,21),(20,21),(19,22),(18,23),(15,24),(23,25),(25,26),(22,26),(25,27),(16,28),(21,29),(27,30),(19,30),(23,31),(24,31),(31,32),(9,32),(27,33),(30,33),(28,34),(33,34),(29,35),(32,36),(36,37),(35,38),(37,39),(22,39),(24,40),(37,41),(39,42),(29,42),(28,43),(38,44),(36,45),(34,46),(45,46),(35,47),(40,48),(44,48),(47,49),(43,50),(40,50),(49,51),(26,51),(45,52),(52,53),(51,54),(47,54),(41,55),(49,56),(48,56),(50,57),(38,57),(53,58),(55,59),(57,59),(42,60),(54,61),(60,62),(56,62),(41,63),(58,64),(61,64),(55,65),(46,66),(58,67),(52,68),(64,68),(66,69),(69,70),(61,71),(62,71),(67,72),(68,73),(43,73),(67,74),(70,74),(65,75),(73,75),(75,76),(60,77),(76,78),(78,79),(44,80),(70,80),(77,81),(71,82),(82,83),(72,84),(79,85),(84,86),(63,86),(79,87),(84,88),(81,88),(82,89),(74,90),(77,91),(83,91),(78,92),(89,93),(87,93),(89,94),(81,95),(94,96),(93,96),(76,97),(97,98),(92,98),(95,99),(59,100),(98,100),(72,101),(90,102),(96,103),(86,104),(101,104),(88,105),(97,105),(103,106),(87,106),(102,107),(65,107),(95,108),(66,108),(83,109),(108,110),(99,111),(110,111),(69,112),(53,112),(63,113),(105,113),(111,114),(85,115),(90,116),(106,116),(101,117),(91,117),(114,118),(113,119),(102,119),(109,120),(115,120),(110,121),(118,121),(112,122),(104,123),(107,123),(109,124),(85,125),(80,125),(100,126),(99,127),(92,127),(124,128),(125,128),(116,129),(128,129),(119,130),(122,131),(103,132),(126,132),(131,133),(133,134),(94,135),(134,136),(118,137),(115,138),(137,138),(129,139),(122,140),(120,141),(140,141),(136,142),(124,142),(121,143),(117,144),(133,145),(134,146),(126,147),(146,148),(130,148),(114,149),(136,149),(143,150),(139,150),(143,151),(147,152),(148,152),(137,153),(140,153),(130,154),(149,155),(147,156),(152,157),(145,158),(154,158),(132,159),(135,160),(155,161),(153,162),(160,162),(157,163),(127,163),(161,164),(135,164),(151,165),(163,165),(138,166),(158,166),(159,167),(166,168),(167,169),(141,170),(131,171),(168,171),(144,172),(169,173),(123,174),(156,174),(151,175),(159,176),(139,177),(174,177),(172,178),(178,179),(162,179),(142,180),(164,180),(150,181),(168,181),(173,182),(169,183),(179,183),(176,184),(145,185),(175,186),(156,187),(161,187),(171,188),(144,188),(184,189),(160,190),(167,191),(177,191),(184,192),(187,192),(170,193),(180,194),(178,195),(192,196),(186,197),(191,198),(183,199),(186,199),(175,200),(185,201),(172,201),(182,202),(189,203),(181,203),(198,204),(165,204),(199,205),(203,205),(196,206),(176,207),(202,208),(208,209),(189,210),(205,211),(194,212),(173,213),(212,214),(154,215),(202,215),(207,216),(200,217),(211,218),(216,219),(185,220),(195,221),(213,221),(193,222),(206,223),(212,223),(217,224),(206,224),(190,225),(197,225),(146,226),(219,226),(224,227),(220,228),(210,229),(213,230),(170,231),(226,231),(228,232),(201,233),(215,233),(214,234),(221,235),(194,236),(236,237),(214,237),(207,238),(230,239),(222,239),(227,240),(218,241),(223,241),(188,242),(240,243),(243,244),(190,245),(217,246),(229,247),(231,248),(220,248),(240,249),(248,250),(211,251),(208,252),(225,253),(197,254),(239,255),(227,256),(245,257),(155,258),(238,259),(210,260),(235,261),(182,262),(222,263),(232,264),(233,265),(229,266),(232,267),(243,268),(209,269),(200,270),(216,271),(204,272),(244,273),(247,274),(195,275),(218,276),(228,277),(244,278),(198,279),(242,280),(241,281),(209,282),(234,283),(236,284),(246,285),(235,286),(237,287),(230,288),(234,289),(157,290),(219,291),(193,292),(238,293),(242,294),(245,295),(196,296),(247,297),(246,298)]
