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