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