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