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