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