class leader: y² = x³ + 18x + 21

Sr no.	class members	# points	points
1	y2 = x3 + 18x + 21	56	(3,5) (3,16) (3,61) (3,72) (6,24) (6,31) (6,46) (6,53) (14,28) (14,49) (16,4) (16,18) (16,59) (16,73) (17,2) (17,9) (17,68) (17,75) (27,4) (27,18) (27,59) (27,73) (28,35) (28,42) (37,17) (37,38) (37,39) (37,60) (38,26) (38,37) (38,40) (38,51) (48,17) (48,38) (48,39) (48,60) (49,7) (49,70) (58,17) (58,38) (58,39) (58,60) (59,5) (59,16) (59,61) (59,72) (69,17) (69,38) (69,39) (69,60) (70,28) (70,49) (72,24) (72,31) (72,46) (72,53)
2	y2 = x3 + 30x + 28	56	(4,17) (4,38) (4,39) (4,60) (7,14) (7,63) (12,24) (12,31) (12,46) (12,53) (18,3) (18,25) (18,52) (18,74) (20,2) (20,9) (20,68) (20,75) (26,17) (26,38) (26,39) (26,60) (34,2) (34,9) (34,68) (34,75) (40,3) (40,25) (40,52) (40,74) (42,35) (42,42) (48,5) (48,16) (48,61) (48,72) (53,24) (53,31) (53,46) (53,53) (56,35) (56,42) (62,19) (62,30) (62,47) (62,58) (67,24) (67,31) (67,46) (67,53) (70,28) (70,49) (75,24) (75,31) (75,46) (75,53)
3	y2 = x3 + 43x + 7	56	(3,3) (3,25) (3,52) (3,74) (8,4) (8,18) (8,59) (8,73) (14,14) (14,63) (15,10) (15,32) (15,45) (15,67) (19,26) (19,37) (19,40) (19,51) (26,12) (26,23) (26,54) (26,65) (31,10) (31,32) (31,45) (31,67) (36,3) (36,25) (36,52) (36,74) (42,21) (42,56) (47,19) (47,30) (47,47) (47,58) (52,4) (52,18) (52,59) (52,73) (59,10) (59,32) (59,45) (59,67) (63,7) (63,70) (64,10) (64,32) (64,45) (64,67) (70,21) (70,56) (75,12) (75,23) (75,54) (75,65)
4	y2 = x3 + 50x + 63	56	(1,24) (1,31) (1,46) (1,53) (3,3) (3,25) (3,52) (3,74) (5,19) (5,30) (5,47) (5,58) (10,10) (10,32) (10,45) (10,67) (12,2) (12,9) (12,68) (12,75) (14,14) (14,63) (21,21) (21,56) (36,3) (36,25) (36,52) (36,74) (38,3) (38,25) (38,52) (38,74) (43,10) (43,32) (43,45) (43,67) (45,24) (45,31) (45,46) (45,53) (47,19) (47,30) (47,47) (47,58) (49,14) (49,63) (54,12) (54,23) (54,54) (54,65) (56,35) (56,42) (71,3) (71,25) (71,52) (71,74)
5	y2 = x3 + 2x + 35	56	(5,4) (5,18) (5,59) (5,73) (12,4) (12,18) (12,59) (12,73) (13,5) (13,16) (13,61) (13,72) (20,12) (20,23) (20,54) (20,65) (27,26) (27,37) (27,40) (27,51) (34,26) (34,37) (34,40) (34,51) (35,28) (35,49) (42,21) (42,56) (46,17) (46,38) (46,39) (46,60) (49,7) (49,70) (53,10) (53,32) (53,45) (53,67) (56,7) (56,70) (60,4) (60,18) (60,59) (60,73) (67,4) (67,18) (67,59) (67,73) (68,17) (68,38) (68,39) (68,60) (75,10) (75,32) (75,45) (75,67)
6	y2 = x3 + 46x + 35	56	(2,17) (2,38) (2,39) (2,60) (9,10) (9,32) (9,45) (9,67) (13,17) (13,38) (13,39) (13,60) (16,4) (16,18) (16,59) (16,73) (20,10) (20,32) (20,45) (20,67) (23,4) (23,18) (23,59) (23,73) (24,5) (24,16) (24,61) (24,72) (27,4) (27,18) (27,59) (27,73) (31,12) (31,23) (31,54) (31,65) (34,4) (34,18) (34,59) (34,73) (35,28) (35,49) (38,26) (38,37) (38,40) (38,51) (42,21) (42,56) (45,26) (45,37) (45,40) (45,51) (49,7) (49,70) (56,7) (56,70)
7	y2 = x3 + 32x + 7	56	(3,19) (3,30) (3,47) (3,58) (9,10) (9,32) (9,45) (9,67) (14,14) (14,63) (20,10) (20,32) (20,45) (20,67) (30,4) (30,18) (30,59) (30,73) (31,12) (31,23) (31,54) (31,65) (37,10) (37,32) (37,45) (37,67) (41,4) (41,18) (41,59) (41,73) (42,21) (42,56) (48,10) (48,32) (48,45) (48,67) (52,26) (52,37) (52,40) (52,51) (58,3) (58,25) (58,52) (58,74) (59,12) (59,23) (59,54) (59,65) (63,7) (63,70) (69,3) (69,25) (69,52) (69,74) (70,21) (70,56)
8	y2 = x3 + 29x + 21	56	(3,17) (3,38) (3,39) (3,60) (5,26) (5,37) (5,40) (5,51) (14,28) (14,49) (15,17) (15,38) (15,39) (15,60) (17,24) (17,31) (17,46) (17,53) (26,5) (26,16) (26,61) (26,72) (28,35) (28,42) (36,17) (36,38) (36,39) (36,60) (38,4) (38,18) (38,59) (38,73) (47,5) (47,16) (47,61) (47,72) (49,7) (49,70) (50,24) (50,31) (50,46) (50,53) (59,17) (59,38) (59,39) (59,60) (61,2) (61,9) (61,68) (61,75) (70,28) (70,49) (71,4) (71,18) (71,59) (71,73)
9	y2 = x3 + 51x + 21	56	(4,17) (4,38) (4,39) (4,60) (5,4) (5,18) (5,59) (5,73) (6,2) (6,9) (6,68) (6,75) (14,28) (14,49) (25,17) (25,38) (25,39) (25,60) (26,17) (26,38) (26,39) (26,60) (27,26) (27,37) (27,40) (27,51) (28,35) (28,42) (39,24) (39,31) (39,46) (39,53) (47,17) (47,38) (47,39) (47,60) (48,5) (48,16) (48,61) (48,72) (49,7) (49,70) (60,4) (60,18) (60,59) (60,73) (61,24) (61,31) (61,46) (61,53) (69,5) (69,16) (69,61) (69,72) (70,28) (70,49)
10	y2 = x3 + 74x + 28	56	(7,14) (7,63) (9,24) (9,31) (9,46) (9,53) (20,24) (20,31) (20,46) (20,53) (23,24) (23,31) (23,46) (23,53) (31,2) (31,9) (31,68) (31,75) (34,24) (34,31) (34,46) (34,53) (37,17) (37,38) (37,39) (37,60) (42,35) (42,42) (45,2) (45,9) (45,68) (45,75) (48,17) (48,38) (48,39) (48,60) (51,3) (51,25) (51,52) (51,74) (56,35) (56,42) (59,5) (59,16) (59,61) (59,72) (62,3) (62,25) (62,52) (62,74) (70,28) (70,49) (73,19) (73,30) (73,47) (73,58)
11	y2 = x3 + 39x + 63	56	(3,19) (3,30) (3,47) (3,58) (10,12) (10,23) (10,54) (10,65) (14,14) (14,63) (16,3) (16,25) (16,52) (16,74) (21,21) (21,56) (23,24) (23,31) (23,46) (23,53) (27,3) (27,25) (27,52) (27,74) (34,24) (34,31) (34,46) (34,53) (38,19) (38,30) (38,47) (38,58) (45,2) (45,9) (45,68) (45,75) (49,14) (49,63) (56,35) (56,42) (58,3) (58,25) (58,52) (58,74) (65,10) (65,32) (65,45) (65,67) (69,3) (69,25) (69,52) (69,74) (76,10) (76,32) (76,45) (76,67)
12	y2 = x3 + 57x + 35	56	(1,4) (1,18) (1,59) (1,73) (5,26) (5,37) (5,40) (5,51) (12,26) (12,37) (12,40) (12,51) (24,17) (24,38) (24,39) (24,60) (31,10) (31,32) (31,45) (31,67) (35,28) (35,49) (38,4) (38,18) (38,59) (38,73) (42,21) (42,56) (45,4) (45,18) (45,59) (45,73) (49,7) (49,70) (56,7) (56,70) (57,17) (57,38) (57,39) (57,60) (64,10) (64,32) (64,45) (64,67) (68,5) (68,16) (68,61) (68,72) (71,4) (71,18) (71,59) (71,73) (75,12) (75,23) (75,54) (75,65)
13	y2 = x3 + 65x + 7	56	(4,10) (4,32) (4,45) (4,67) (14,14) (14,63) (19,4) (19,18) (19,59) (19,73) (20,12) (20,23) (20,54) (20,65) (25,3) (25,25) (25,52) (25,74) (26,10) (26,32) (26,45) (26,67) (41,26) (41,37) (41,40) (41,51) (42,21) (42,56) (47,3) (47,25) (47,52) (47,74) (48,12) (48,23) (48,54) (48,65) (53,10) (53,32) (53,45) (53,67) (63,7) (63,70) (69,19) (69,30) (69,47) (69,58) (70,21) (70,56) (74,4) (74,18) (74,59) (74,73) (75,10) (75,32) (75,45) (75,67)
14	y2 = x3 + 8x + 28	56	(1,24) (1,31) (1,46) (1,53) (7,14) (7,63) (12,2) (12,9) (12,68) (12,75) (15,17) (15,38) (15,39) (15,60) (26,5) (26,16) (26,61) (26,72) (29,3) (29,25) (29,52) (29,74) (31,24) (31,31) (31,46) (31,53) (40,19) (40,30) (40,47) (40,58) (42,35) (42,42) (45,24) (45,31) (45,46) (45,53) (56,35) (56,42) (59,17) (59,38) (59,39) (59,60) (64,24) (64,31) (64,46) (64,53) (70,28) (70,49) (73,3) (73,25) (73,52) (73,74) (75,2) (75,9) (75,68) (75,75)
15	y2 = x3 + 72x + 63	56	(5,3) (5,25) (5,52) (5,74) (12,24) (12,31) (12,46) (12,53) (14,14) (14,63) (21,21) (21,56) (25,3) (25,25) (25,52) (25,74) (27,19) (27,30) (27,47) (27,58) (32,10) (32,32) (32,45) (32,67) (34,2) (34,9) (34,68) (34,75) (47,3) (47,25) (47,52) (47,74) (49,14) (49,63) (54,10) (54,32) (54,45) (54,67) (56,35) (56,42) (60,3) (60,25) (60,52) (60,74) (67,24) (67,31) (67,46) (67,53) (69,19) (69,30) (69,47) (69,58) (76,12) (76,23) (76,54) (76,65)