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