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