ID: 42.0	Parent: 41.0	Tree
PDER	VAR\IND x1 x17 x18-1 x12 x1 1 0 0 0 x12 0 0 0 1 x17 0 1 0 0 x18 0 0 1 0
FOCUS
	x1^6*x17^36*x18^25*x12^6-x12^6*x17^36*x18^24*x1^6
	x18^3*x17^4*x12^2
	x18^3*x17^4*x12
	x18*x17*x12
	x18*x17
	x17^2*x18
	x17
DEP	empty
MAP	x1 x1 x2 x17^3*x18^2*x1 x3 x18^7*x17^10*x12^2*x1 x4 x12*x17^6*x18^4*x1
IMAP	x1 x1 x12 x4/x2^2*x1 x17 1/x1/x3^2*x4^4/x2 x18 x3^3/x4^6*x2^2*x1
STACK
WBO (dim: 4)
J
	1	0
c	0
N	empty
(E,a)
	E	a
	x1	5
	x12	4
	x18	16
	x17	24
	x18-1	0
C	empty