ID: 23.0	Parent: 21.0	Tree
Exchanged to: 25.0 2<->x5^2*x3^2+x7^2*x3^2-1
PDER	VAR\IND x5 x7 x3 x3 0 0 1 x5 1 0 0 x7 0 1 0 x8 0 -2*x3^2*x8^2 -4*x3*x7*x8^2
FOCUS
	x5^4*x3^4-x5^2*x3^2+x7^2*x5^2*x3^4
	x5
	x7*x5
	2*x5*x3^2
DEP
	2*x8*x7*x3^2-1
MAP	x1 x5*x3 x2 x7*x5*x3 x3 x3
IMAP	x3 x3 x5 x1/x3 x7 x2/x1 x8 1/2/x2*x1/x3^2
STACK
WBO (dim: 3)
J
	x5^2*x3^2+x7^2*x3^2-1	1
c	1
N	empty
(E,a)
	E	a
	x5	1
C	empty
TBO (dim: 3)
J
	x5^2*x3^2+x7^2*x3^2-1	1
N	empty
E
	x5
EM
	x5
C	empty
SBO (dim: 3)
J
	x5^2*x3^2+x7^2*x3^2-1	1
N	empty
H	empty
E	empty
C	empty
Exchanged to: 25.0 2<->x5^2*x3^2+x7^2*x3^2-1
ID: 23.0	Parent: 21.0	Tree