ID: 29.0	Parent: 26.0	Tree
Exchanged to: 32.0 2<->x8*x7-1
PDER	VAR\IND x5 x7 x8 x5 1 0 0 x7 0 1 0 x8 0 0 1 x9 0 0 -x9^2
FOCUS
	x5^4*x8^2-x7*x5^4*x8^3
	x5
	x7*x5
DEP
	x9*x8-1
MAP	x1 x5^2*x8 x2 x7*x5^2*x8 x3 x8*x5
IMAP	x5 x1/x3 x7 x2/x1 x8 x3^2/x1 x9 x1/x3^2
STACK
WBO (dim: 3)
J
	-x8*x7+1	1
c	1
N	empty
(E,a)
	E	a
	x5	2
C	empty
TBO (dim: 3)
J
	-x8*x7+1	1
N	empty
E
	x5
EM
	x5
C	empty
SBO (dim: 3)
J
	-x8*x7+1	1
N	empty
H	empty
E	empty
C	empty
Exchanged to: 32.0 2<->x8*x7-1
ID: 29.0	Parent: 26.0	Tree