class leader: y² = x³ + 21x + 13

Sr no.	class members	# points	points
1	y2 = x3 + 21x + 13	9	(1,0) (4,14) (4,21) (9,14) (9,21) (11,0) (16,0) (29,14) (29,21)
2	y2 = x3 + 21x + 27	9	(1,7) (1,28) (4,0) (9,0) (11,7) (11,28) (16,7) (16,28) (29,0)