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