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