EE I.47 dependencies

Depth:	0	1	2	3	4	5	6	7
Props:	47	4	13	23	7	5	9	18
			14	37	27	22	20	19
			41	31	26	16	10
			46	34	1	2
				11	3
				29	15
					35
Ralph H. Abraham, 28 April 1996.