y, x, 
6*x^15*y-24*x^14*y^2+49*x^13*y^3-64*x^12*y^4-41*x^11*y^5+201*x^10*y^6-111*x^9*y^7+8*x^8*y^8+17*x^7*y^9-136*x^6*y^10+66*x^5*y^11+60*x^4*y^12+26*x^3*y^13-53*x^2*y^14+16*x*y^15+3*x^15+3*x^14*y-76*x^13*y^2+281*x^12*y^3-324*x^11*y^4-355*x^10*y^5+832*x^9*y^6-290*x^8*y^7+236*x^7*y^8+183*x^6*y^9-882*x^5*y^10+144*x^4*y^11+245*x^3*y^12+175*x^2*y^13-138*x*y^14+19*y^15+9*x^14-19*x^13*y-119*x^12*y^2+585*x^11*y^3-348*x^10*y^4-1244*x^9*y^5+1165*x^8*y^6-420*x^7*y^7+784*x^6*y^8+1516*x^5*y^9-2276*x^4*y^10-234*x^3*y^11+337*x^2*y^12+309*x*y^13-96*y^14+34*x^13-131*x^12*y+39*x^11*y^2+402*x^10*y^3+450*x^9*y^4-1803*x^8*y^5+153*x^7*y^6-983*x^6*y^7+98*x^5*y^8+4582*x^4*y^9-2301*x^3*y^10-1269*x^2*y^11+201*x*y^12+179*y^13+81*x^12-401*x^11*y+659*x^10*y^2-486*x^9*y^3+1153*x^8*y^4-16*x^7*y^5-1075*x^6*y^6-1542*x^5*y^7-3216*x^4*y^8+5749*x^3*y^9+559*x^2*y^10-1692*x*y^11+50*y^12+157*x^11-847*x^10*y+1441*x^9*y^2-625*x^8*y^3-665*x^7*y^4+3246*x^6*y^5+294*x^5*y^6-616*x^4*y^7-5413*x^3*y^8+1821*x^2*y^9+2757*x*y^10-766*y^11+250*x^10-1174*x^9*y+1055*x^8*y^2+1597*x^7*y^3-4755*x^6*y^4+2670*x^5*y^5+3845*x^4*y^6+628*x^3*y^7-2641*x^2*y^8-2176*x*y^9+1497*y^10+305*x^9-880*x^8*y-983*x^7*y^2+4922*x^6*y^3-5890*x^5*y^4-3435*x^4*y^5+5439*x^3*y^6+190*x^2*y^7+902*x*y^8-1564*y^9+222*x^8+75*x^7*y-2896*x^6*y^2+6221*x^5*y^3-818*x^4*y^4-8154*x^3*y^5+3832*x^2*y^6-617*x*y^7+993*y^8+55*x^7+826*x^6*y-3400*x^5*y^2+3728*x^4*y^3+5401*x^3*y^4-6516*x^2*y^5+1414*x*y^6-380*y^7-94*x^6+918*x^5*y-2759*x^4*y^2-919*x^3*y^3+6066*x^2*y^4-2349*x*y^5+105*y^6-107*x^5+879*x^4*y-984*x^3*y^2-3315*x^2*y^3+2641*x*y^4-134*y^5-113*x^4+640*x^3*y+829*x^2*y^2-2014*x*y^3+238*y^4-116*x^3+44*x^2*y+992*x*y^2-256*y^3-56*x^2-284*x*y+172*y^2+40*x-72*y+16
6*x^15-48*x^14*y+147*x^13*y^2-256*x^12*y^3-205*x^11*y^4+1206*x^10*y^5-777*x^9*y^6+64*x^8*y^7+153*x^7*y^8-1360*x^6*y^9+726*x^5*y^10+720*x^4*y^11+338*x^3*y^12-742*x^2*y^13+240*x*y^14+3*x^14-152*x^13*y+843*x^12*y^2-1296*x^11*y^3-1775*x^10*y^4+4992*x^9*y^5-2030*x^8*y^6+1888*x^7*y^7+1647*x^6*y^8-8820*x^5*y^9+1584*x^4*y^10+2940*x^3*y^11+2275*x^2*y^12-1932*x*y^13+285*y^14-19*x^13-238*x^12*y+1755*x^11*y^2-1392*x^10*y^3-6220*x^9*y^4+6990*x^8*y^5-2940*x^7*y^6+6272*x^6*y^7+13644*x^5*y^8-22760*x^4*y^9-2574*x^3*y^10+4044*x^2*y^11+4017*x*y^12-1344*y^13-131*x^12+78*x^11*y+1206*x^10*y^2+1800*x^9*y^3-9015*x^8*y^4+918*x^7*y^5-6881*x^6*y^6+784*x^5*y^7+41238*x^4*y^8-23010*x^3*y^9-13959*x^2*y^10+2412*x*y^11+2327*y^12-401*x^11+1318*x^10*y-1458*x^9*y^2+4612*x^8*y^3-80*x^7*y^4-6450*x^6*y^5-10794*x^5*y^6-25728*x^4*y^7+51741*x^3*y^8+5590*x^2*y^9-18612*x*y^10+600*y^11-847*x^10+2882*x^9*y-1875*x^8*y^2-2660*x^7*y^3+16230*x^6*y^4+1764*x^5*y^5-4312*x^4*y^6-43304*x^3*y^7+16389*x^2*y^8+27570*x*y^9-8426*y^10-1174*x^9+2110*x^8*y+4791*x^7*y^2-19020*x^6*y^3+13350*x^5*y^4+23070*x^4*y^5+4396*x^3*y^6-21128*x^2*y^7-19584*x*y^8+14970*y^9-880*x^8-1966*x^7*y+14766*x^6*y^2-23560*x^5*y^3-17175*x^4*y^4+32634*x^3*y^5+1330*x^2*y^6+7216*x*y^7-14076*y^8+75*x^7-5792*x^6*y+18663*x^5*y^2-3272*x^4*y^3-40770*x^3*y^4+22992*x^2*y^5-4319*x*y^6+7944*y^7+826*x^6-6800*x^5*y+11184*x^4*y^2+21604*x^3*y^3-32580*x^2*y^4+8484*x*y^5-2660*y^6+918*x^5-5518*x^4*y-2757*x^3*y^2+24264*x^2*y^3-11745*x*y^4+630*y^5+879*x^4-1968*x^3*y-9945*x^2*y^2+10564*x*y^3-670*y^4+640*x^3+1658*x^2*y-6042*x*y^2+952*y^3+44*x^2+1984*x*y-768*y^2-284*x+344*y-72
