Arnold Schoenberg, Klavierstück, Op. 33a (1929) Principal sets used:

P-10  -->	10  5  0 11  9  6    1  3  7  8  2  4	<-- R-4
I-3 -->		 3  8  1  2  4  7    0 10  6  5 11  9	<-- RI-9

Other sets used (measures 28-32 only):

P-0  -->	 0  7  2  1 11  3    5  8  9 10  4  6	(R not used)
I-5  -->	 5 10  3  4  6  9    2  0  8  7  1 11	(RI not used)
P-5  -->	 5  0  7  6  4  1    8 10  2  3  9 11	<-- R-11
I-10  -->	10  3  8  9 11  2    7  5  1  0  6  4	<-- RI-4

Set successions:

1.  P-10	2.  RI-9	3.  RI-9      6.  P-10		7.  RI-9
				    R-4

8.  P-10	10.  P-10	11. RI-9	12. I-3
    I-3		     I-3	    R-4		    P-10

14. P-10	19.  R-4 (missing last dyad)
    I-3	 	     RI-9

21. P-10 (2nd hexachord only)  	23.  P-10 (1st hexachord 
    I-3 (missing last note)	     I-3  only)

25.  P-10	27.  R-4  RI-9 (2nd hexachord only)
     I-3	     I-3  R-4

27-28.  P-2  I-0 (1st hexachords	28.  P-2	29.  I-0
        I-7       only)			     I-7             P-7

30.  I-0	31.  R-7		32.  P-10	33.  RI-9
     P-7	     RI-0		     I-3  	     R-4

35.  R-4	37.  P-10  RI-9		38.  R-4	39.  P-10
     RI-9					     	     I-3

(See Arnold Schoenberg, "My Evolution," The Musical Quarterly, October 1952).

Structural Analysis (after Perle)

I.	Exposition

	1.  First Group
		meas.	description						set segmentation
		1-2	A.  Subject 1 							4/4/4
		3-9	B.  Episode							4/4/4
		10-11	C.  Modified return of subject 1				4/4/4
		12-13	D.  Transition							4/4/4
	2.  Second Group
		14-18	A.  Subject 2							6/6
 		19-20	B.  Episode							6/4
		21-23	C.  Modified return of subject 2 (*)(**)			 /6
		23-27	D.  Codetta and transition (*)					3/3/3/3

II.	Development
	1.  	27-29								Various segments
	2.	29-32 (fermata)								4/4/4

III.	Recapitulation
	1.	32-34	Modified return of subject 1					4/4/4
	2.	35-36  Modified return of subject 2					6/6

IV.	Coda
	1.	37-38									4/4/4
	2.	39-40									4/4/4

(*) Incomplete statements of the set appear in these passages.

(**) Measure 22 contains a misprint: A-natural in the right hand should be A-flat.