r^6 - r^5*s^8 + 13*r^5*s^7 - 69*r^5*s^6 + 192*r^5*s^5 - 300*r^5*s^4 + 
    261*r^5*s^3 - 119*r^5*s^2 + 21*r^5*s - 4*r^5 - r^4*s^9 + 10*r^4*s^8 - 
    45*r^4*s^7 + 141*r^4*s^6 - 345*r^4*s^5 + 576*r^4*s^4 - 551*r^4*s^3 + 
    273*r^4*s^2 - 49*r^4*s + 6*r^4 - r^3*s^10 + 10*r^3*s^9 - 51*r^3*s^8 + 
    159*r^3*s^7 - 316*r^3*s^6 + 450*r^3*s^5 - 551*r^3*s^4 + 489*r^3*s^3 - 
    247*r^3*s^2 + 42*r^3*s - 4*r^3 + 3*r^2*s^8 - 31*r^2*s^7 + 109*r^2*s^6 - 
    172*r^2*s^5 + 203*r^2*s^4 - 181*r^2*s^3 + 97*r^2*s^2 - 14*r^2*s + r^2 + 
    2*r*s^8 - 11*r*s^7 + 8*r*s^6 + 2*r*s^5 - 13*r*s^4 + 19*r*s^3 - 14*r*s^2 + 
    r*s + s^8 - s^7 + s^6 - s^5 + s^4 - s^3 + s^2