what are the most rebounds in a game by charles barkley before 1993

Before 1992-93, Charles Barkley had his most rebounds in a game on March 24, 1987, on March 20, 1987 and on March 30, 1986, with 25 rebounds.

Interpreted as:

What are the most rebounds in a regular-season game by Charles Barkley before 1993?

	NAME	REB	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Charles Barkley C. Barkley	25	3/24/1987	PHI	@	CHI	47	17	6	2	3	6	15	40.0	0	1	0.0	5	6	83.3	48.2	11	14	6	6
2	Charles Barkley C. Barkley	25	3/20/1987	PHI	vs	DEN	41	26	9	3	2	10	16	62.5	0	1	0.0	6	7	85.7	68.1	16	9	4	2
3	Charles Barkley C. Barkley	25	3/30/1986	PHI	vs	DAL	47	32	3	4	3	12	15	80.0	0	0		8	9	88.9	84.4	5	20	9	4
4	Charles Barkley C. Barkley	24	12/9/1987	PHI	vs	POR	42	38	3	2	2	10	17	58.8	0	0		18	21	85.7	72.4	7	17	8	4
5	Charles Barkley C. Barkley	24	3/24/1986	PHI	@	WAS	43	36	4	2	0	13	23	56.5	1	2	50.0	9	11	81.8	64.7	8	16	7	5
6	Charles Barkley C. Barkley	23	11/28/1988	PHI	vs	LAL	47	31	6	1	0	13	19	68.4	0	2	0.0	5	14	35.7	61.6	6	17	5	2
7	Charles Barkley C. Barkley	23	4/6/1987	PHI	@	NYK	44	27	4	3	2	10	15	66.7	1	3	33.3	6	8	75.0	72.9	11	12	8	5
8	Charles Barkley C. Barkley	23	1/27/1987	PHI	@	NYK	48	25	7	7	0	6	11	54.5	2	4	50.0	11	11	100.0	78.9	9	14	5	3
9	Charles Barkley C. Barkley	22	11/6/1991	PHI	vs	NJN	44	25	5	3	2	5	8	62.5	0	0		15	20	75.0	74.4	5	17	5	6
10	Charles Barkley C. Barkley	22	12/7/1990	PHI	vs	DEN	36	40	2	3	0	14	19	73.7	1	2	50.0	11	18	61.1	74.3	6	16	7	2
11	Charles Barkley C. Barkley	22	1/20/1990	PHI	vs	NJN	42	26	6	4	0	9	12	75.0	0	0		8	10	80.0	79.3	10	12	6	3
12	Charles Barkley C. Barkley	22	11/30/1988	PHI	vs	POR	41	41	5	6	1	13	16	81.3	0	1	0.0	15	20	75.0	82.7	9	13	3	2
13	Charles Barkley C. Barkley	22	4/4/1986	PHI	vs	CLE	43	27	10	0	2	12	18	66.7	0	2	0.0	3	9	33.3	61.5	7	15	1	2
14	Charles Barkley C. Barkley	21	3/23/1990	PHI	vs	SAC	35	12	4	0	0	6	18	33.3	0	2	0.0	0	0		33.3	7	14	2	4
15	Charles Barkley C. Barkley	21	1/26/1990	PHI	vs	CHI	43	37	3	1	1	12	17	70.6	0	0		13	14	92.9	79.9	7	14	2	2
16	Charles Barkley C. Barkley	21	3/22/1989	PHI	vs	CLE	44	27	3	2	0	11	22	50.0	0	2	0.0	5	8	62.5	52.9	9	12	3	3
17	Charles Barkley C. Barkley	21	4/8/1988	PHI	vs	DET	48	21	5	0	1	9	18	50.0	1	2	50.0	2	5	40.0	52.0	9	12	3	4
18	Charles Barkley C. Barkley	21	2/24/1988	PHI	@	SAS	51	37	5	2	0	13	19	68.4	2	3	66.7	9	12	75.0	76.2	7	14	5	4
19	Charles Barkley C. Barkley	21	3/4/1987	PHI	vs	NYK	48	28	6	2	0	11	24	45.8	0	2	0.0	6	10	60.0	49.3	16	5	7	5
20	Charles Barkley C. Barkley	21	1/30/1987	PHI	vs	CHI	46	40	5	0	1	12	17	70.6	0	1	0.0	16	22	72.7	75.0	8	13	7	3
21	Charles Barkley C. Barkley	21	12/22/1986	PHI	vs	UTA	40	23	7	3	0	6	10	60.0	0	1	0.0	11	12	91.7	75.3	4	17	7	4
22	Charles Barkley C. Barkley	21	12/20/1986	PHI	vs	DET	44	22	5	0	3	7	14	50.0	0	3	0.0	8	10	80.0	59.8	8	13	6	4
23	Charles Barkley C. Barkley	21	12/10/1986	PHI	vs	IND	45	30	6	1	4	11	19	57.9	0	2	0.0	8	10	80.0	64.1	7	14	8	4
24	Charles Barkley C. Barkley	21	11/28/1986	PHI	vs	POR	43	31	9	1	7	11	18	61.1	0	0		9	11	81.8	67.9	9	12	7	5
25	Charles Barkley C. Barkley	21	2/21/1986	PHI	vs	WAS	44	26	2	1	4	11	22	50.0	0	1	0.0	4	4	100.0	54.7	9	12	5	4