who has the most seasons averaging 20 points per game and averaging 12 rebounds per game

Wilt Chamberlain played the most seasons with 20.0+ points per game and 12.0+ rebounds per game, with 12 seasons.

Interpreted as:

Who has the most seasons averaging 20 or higher points per game and averaging 12 or higher rebounds per game?

	NAME	SEAS	PPG	RPG	GP	MPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Wilt Chamberlain W. Chamberlain	12	33.1	23.6	881	46.4	4.5			13.3	25.1	53.1				6.4	12.4	51.5	54.1				40,848	29,122	20,826	3,949				1,688
2	Bob Pettit B. Pettit	11	26.4	16.2	792	38.8	3.0			9.3	21.3	43.6				7.8	10.3	76.1	51.1				30,690	20,880	12,849	2,369				2,529
3	Kareem Abdul-Jabbar K. Abdul-Jabbar	10	28.6	14.8	773	41.1	4.5	1.3	3.5	11.8	21.5	55.1				5.0	7.1	70.6	58.3	3.1	11.0	3.5	31,771	22,141	11,460	3,440	576	1,595	490	2,399
4	Elvin Hayes E. Hayes	9	24.5	15.0	736	42.6	2.1	1.2	2.6	9.8	21.9	44.9				4.9	7.2	67.9	49.0	3.6	10.1	2.9	31,337	18,066	11,018	1,528	406	837	235	2,336
5	Elgin Baylor E. Baylor	9	29.3	14.7	640	41.1	4.2			10.9	25.5	42.8				7.5	9.5	78.6	49.3				26,315	18,765	9,410	2,706				2,077
6	Moses Malone M. Malone	7	25.9	14.8	553	39.2	1.6	1.0	1.6	9.1	18.0	50.7	0.0	0.0	4.5	7.7	10.2	75.9	57.8	6.1	8.7	3.7	21,665	14,350	8,177	904	545	891	2,028	1,474
7	Kevin Garnett K. Garnett	6	22.5	13.1	479	39.2	5.0	1.3	1.6	8.7	17.5	49.5	0.2	0.7	27.6	4.9	6.2	80.0	55.6	2.9	10.2	2.7	18,800	10,761	6,271	2,413	643	778	1,277	1,182	+1584
8	Hakeem Olajuwon H. Olajuwon	6	23.7	13.1	451	37.5	2.5	2.1	3.9	9.4	18.4	51.1	0.0	0.1	3.0	4.9	6.7	73.1	55.5	3.7	9.3	3.2	16,913	10,671	5,896	1,125	947	1,739	1,457	1,756
9	Dolph Schayes D. Schayes	6	22.6	13.1	442	37.7	3.1			7.3	18.8	38.7				8.0	9.1	88.2	49.5				16,679	9,971	5,802	1,383				1,553
10	Karl-Anthony Towns K. Towns	5	23.7	12.4	334	35.1	2.9	0.8	1.2	8.7	16.5	52.9	1.6	4.1	39.8	4.6	5.5	84.2	62.6	3.2	9.2	2.6	11,717	7,919	4,145	970	275	409	859	1,140	+926
11	Tim Duncan T. Duncan	5	23.3	12.5	388	38.9	3.4	0.8	2.5	8.8	17.4	50.3	0.0	0.2	20.7	5.7	8.2	69.9	55.4	3.3	9.2	3.0	15,086	9,047	4,859	1,315	314	982	1,178	1,069	+2830
12	Shaquille O'Neal S. O'Neal	5	27.5	13.3	366	39.1	3.0	0.7	3.0	10.9	19.1	57.5	0.0	0.0	0.0	5.6	10.5	53.6	58.1	4.2	9.0	3.0	14,323	10,075	4,852	1,082	265	1,107	1,116	1,293	+1437
13	Bob McAdoo B. McAdoo	5	29.8	13.4	385	41.6	3.0	1.2	2.1	11.6	22.6	51.5				6.5	8.5	76.7	56.5	3.3	10.2	4.4	16,032	11,477	5,173	1,167	455	805	346	1,387
14	Nate Thurmond N. Thurmond	5	21.0	17.4	325	43.3	3.4			7.8	18.5	42.4				5.3	7.7	69.3	48.0				14,062	6,827	5,665	1,105				824
15	Willis Reed W. Reed	5	21.1	14.0	395	37.4	2.0			8.4	17.0	49.4				4.3	5.8	74.7	54.0				14,755	8,328	5,529	784				1,465
16	Walt Bellamy W. Bellamy	5	26.8	16.5	399	41.8	2.5			10.2	19.7	51.5				6.5	9.9	65.6	55.7				16,697	10,688	6,590	995				1,418
17	Nikola Jokić N. Jokić	4	27.7	12.9	244	34.9	9.2	1.5	0.8	10.6	18.2	58.3	1.5	3.9	38.0	5.0	6.2	81.4	66.3	2.8	10.1	3.4	8,515	6,763	3,151	2,242	373	193	823	607	+1952
18	Dwight Howard D. Howard	4	21.2	14.1	293	37.2	1.5	1.2	2.4	7.4	12.7	58.5	0.0	0.1	0.0	6.3	11.0	57.5	60.4	3.8	10.3	3.3	10,914	6,216	4,137	433	339	709	957	961	+1714
19	Charles Barkley C. Barkley	4	23.6	13.0	303	38.4	4.5	1.8	1.2	8.5	15.1	56.3	0.5	1.9	25.0	6.2	8.3	74.2	63.0	4.6	8.4	3.8	11,639	7,148	3,934	1,353	537	370	1,159	1,043
20	Bob Lanier B. Lanier	4	24.0	13.6	318	38.6	3.8	1.2	2.7	9.8	19.7	49.9				4.3	5.5	78.5	54.2	3.1	9.5		12,276	7,628	4,325	1,201	185	419		1,085
21	Spencer Haywood S. Haywood	4	25.6	12.9	258	41.2	2.4	0.9	1.4	9.9	21.4	46.3				5.8	7.1	81.4	52.2	4.2	9.2		10,627	6,606	3,324	632	65	106		703
22	Neil Johnston N. Johnston	4	22.5	13.5	281	39.9	3.0			7.3	16.2	44.9				7.9	10.3	77.0	54.2				11,208	6,317	3,788	840				985
23	Anthony Davis A. Davis	3	25.4	12.4	188	34.3	3.4	1.3	2.3	9.5	17.4	54.6	0.5	1.7	29.4	5.9	7.4	79.9	61.5	3.2	9.2	2.1	6,454	4,779	2,335	632	238	427	393	455	+489
24	Kevin Love K. Love	3	24.0	13.7	205	36.8	3.1	0.7	0.4	7.8	17.1	45.8	1.9	4.9	38.4	6.5	7.8	83.1	58.5	3.8	9.9	2.3	7,553	4,918	2,809	636	151	91	479	436	+112
25	David Robinson D. Robinson	3	24.7	12.5	232	37.4	2.7	1.7	3.9	8.9	16.5	53.9	0.0	0.1	20.8	6.9	9.3	74.5	60.1	3.9	8.5	2.8	8,678	5,730	2,892	636	396	896	642	745