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