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