ID: 73.0	Parent: 68.0	Tree
PDER	VAR\IND x11 x12 x9 x4 x4 0 0 0 1 x9 0 0 1 0 x11 1 0 0 0 x12 0 1 0 0 x13 -x12*x13^2 -x11*x13^2 0 0
FOCUS
	x11^3*x9^4*x4^3*x12-x9^4*x11^2*x4^3
	x11*x9
	x12*x9^2*x11
	x9^2*x11
	x9
	x12
	x11
DEP
	x13*(x12*x11-1)-1
MAP	x1 x11*x9*x4 x2 x12*x9^2*x11*x4 x3 x9^2*x11*x4 x4 x4
IMAP	x4 x4 x9 x3/x1 x11 x1^2/x4/x3 x12 x2/x3 x13 -x3^2*x4/(x3^2*x4-x1^2*x2)
STACK
WBO (dim: 4)
J
	x12*x11-1	0
c	0
N	empty
(E,a)
	E	a
	x4	2
	x11	1
	x9	2
C	empty