ID: 4.0	Parent: 1.0	Tree
Exchanged to: 6.0 1<->x5*x6^2-x7
PDER	VAR\IND x1 x5 x6 x1 1 0 0 x5 0 1 0 x6 0 0 1 x7 -x7^2 0 0
FOCUS
	x1^2-x5*x1^3*x6^2
DEP
	x7*x1-1
MAP	x1 x1 x2 x5*x1 x3 x6*x1
IMAP	x1 x1 x5 x2/x1 x6 x3/x1 x7 1/x1
STACK
WBO (dim: 3)
J
	-x5*x6^2*x1+1	1
c	1
N	empty
(E,a)	empty
C	empty
TBO (dim: 3)
J
	-x5*x6^2*x1+1	1
N	empty
E	empty
EM	empty
C	empty
SBO (dim: 3)
J
	-x5*x6^2*x1+1	1
N	empty
H	empty
E	empty
C	empty
Exchanged to: 6.0 1<->x5*x6^2-x7
ID: 4.0	Parent: 1.0	Tree