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+19*x^4 +9*x^3 +6*x^2 -7*x +1) /
( -x^64 -2*x^63 +8*x^61 +12*x^60 -2*x^59 +48*x^58 +104*x^57 
-14*x^56 -468*x^55 -656*x^54 +140*x^53 -612*x^52 -1642*x^51 
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-251652*x^32 -727258*x^31 -459916*x^30 +1149344*x^29 
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-6858*x^11 -692*x^10 +2032*x^9 +4290*x^8 -938*x^7 -180*x^6 
-4*x^5 -12*x^4 -8*x^3 -12*x^2 +8*x -1).