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