ID: 10.0	Parent: 8.0	Tree
Exchanged to: 12.0 2<->x7^2*x2-1
PDER	VAR\IND x5 x2 x7 x2 0 1 0 x5 1 0 0 x7 0 0 1 x8 0 0 -2*x7*x8^2
FOCUS
	x5^2*x2^2-x2^3*x7^2*x5^2
	x5
DEP
	x8*x7^2-1
MAP	x1 x5*x2 x2 x2 x3 x7*x5*x2
IMAP	x2 x2 x5 x1/x2 x7 x3/x1 x8 1/x3^2*x1^2
STACK
WBO (dim: 3)
J
	-x7^2*x2+1	1
c	1
N	empty
(E,a)
	E	a
	x2	1
	x5	1
C	empty
TBO (dim: 3)
J
	-x7^2*x2+1	1
N	empty
E
	x2
	x5
EM
	x2
	x5
C	empty
SBO (dim: 3)
J
	-x7^2*x2+1	1
N	empty
H	empty
E	empty
C	empty
Exchanged to: 12.0 2<->x7^2*x2-1
ID: 10.0	Parent: 8.0	Tree