x^16*y^8 - 2*x^16*y^7 + 2*x^16*y^6 - x^16*y^5 + 1/5*x^16*y^4 + 8*x^15*y^8 - 
    18*x^15*y^7 + 21*x^15*y^6 - 73/5*x^15*y^5 + 27/5*x^15*y^4 - 4/5*x^15*y^3 + 
    3*x^14*y^9 + 21*x^14*y^8 - 60*x^14*y^7 + 397/5*x^14*y^6 - 348/5*x^14*y^5 + 
    189/5*x^14*y^4 - 54/5*x^14*y^3 + 6/5*x^14*y^2 + 23*x^13*y^9 - x^13*y^8 - 
    374/5*x^13*y^7 + 601/5*x^13*y^6 - 648/5*x^13*y^5 + 501/5*x^13*y^4 - 
    226/5*x^13*y^3 + 10*x^13*y^2 - 4/5*x^13*y + 4*x^12*y^10 + 66*x^12*y^9 - 
    116*x^12*y^8 + 177/5*x^12*y^7 + 84/5*x^12*y^6 - 33*x^12*y^5 + 361/5*x^12*y^4
    - 332/5*x^12*y^3 + 26*x^12*y^2 - 21/5*x^12*y + 1/5*x^12 + 29*x^11*y^10 + 
    67*x^11*y^9 - 1254/5*x^11*y^8 + 987/5*x^11*y^7 - 509/5*x^11*y^6 + 
    744/5*x^11*y^5 - 562/5*x^11*y^4 + 52/5*x^11*y^3 + 93/5*x^11*y^2 - 
    33/5*x^11*y + 3/5*x^11 + 3*x^10*y^11 + 421/5*x^10*y^10 - 81*x^10*y^9 - 
    1018/5*x^10*y^8 + 1199/5*x^10*y^7 + 23*x^10*y^6 - 46/5*x^10*y^5 - 
    677/5*x^10*y^4 + 494/5*x^10*y^3 - 91/5*x^10*y^2 - 2*x^10*y + 3/5*x^10 + 
    106/5*x^9*y^11 + 105*x^9*y^10 - 317*x^9*y^9 + 361/5*x^9*y^8 + 251*x^9*y^7 + 
    24*x^9*y^6 - 1497/5*x^9*y^5 + 142*x^9*y^4 + 111/5*x^9*y^3 - 122/5*x^9*y^2 + 
    3*x^9*y + 1/5*x^9 + 6/5*x^8*y^12 + 313/5*x^8*y^11 - 121/5*x^8*y^10 - 
    1727/5*x^8*y^9 + 1938/5*x^8*y^8 + 1001/5*x^8*y^7 - 1992/5*x^8*y^6 + 
    10*x^8*y^5 + 863/5*x^8*y^4 - 352/5*x^8*y^3 + 12/5*x^8*y^2 + 9/5*x^8*y + 
    49/5*x^7*y^12 + 398/5*x^7*y^11 - 1202/5*x^7*y^10 - 113/5*x^7*y^9 + 
    2531/5*x^7*y^8 - 1412/5*x^7*y^7 - 1531/5*x^7*y^6 + 1751/5*x^7*y^5 - 
    413/5*x^7*y^4 - 94/5*x^7*y^3 + 36/5*x^7*y^2 + 1/5*x^6*y^13 + 148/5*x^6*y^12 
    - 9/5*x^6*y^11 - 1318/5*x^6*y^10 + 1876/5*x^6*y^9 + 624/5*x^6*y^8 - 
    2842/5*x^6*y^7 + 1717/5*x^6*y^6 + 78/5*x^6*y^5 - 359/5*x^6*y^4 + 
    84/5*x^6*y^3 + 14/5*x^5*y^13 + 36*x^5*y^12 - 122*x^5*y^11 - 16/5*x^5*y^10 + 
    1936/5*x^5*y^9 - 2341/5*x^5*y^8 + 419/5*x^5*y^7 + 187*x^5*y^6 - 
    643/5*x^5*y^5 + 126/5*x^5*y^4 + 44/5*x^4*y^13 + 2/5*x^4*y^12 - 117*x^4*y^11 
    + 1244/5*x^4*y^10 - 116*x^4*y^9 - 954/5*x^4*y^8 + 1403/5*x^4*y^7 - 
    140*x^4*y^6 + 126/5*x^4*y^5 + 2/5*x^3*y^14 + 52/5*x^3*y^13 - 222/5*x^3*y^12 
    + 176/5*x^3*y^11 + 98*x^3*y^10 - 1212/5*x^3*y^9 + 1118/5*x^3*y^8 - 
    488/5*x^3*y^7 + 84/5*x^3*y^6 + 8/5*x^2*y^14 - 6/5*x^2*y^13 - 126/5*x^2*y^12 
    + 88*x^2*y^11 - 132*x^2*y^10 + 522/5*x^2*y^9 - 214/5*x^2*y^8 + 36/5*x^2*y^7 
    + 9/5*x*y^14 - 54/5*x*y^13 + 27*x*y^12 - 36*x*y^11 + 27*x*y^10 - 54/5*x*y^9 
    + 9/5*x*y^8 + 1/5*y^15 - 6/5*y^14 + 3*y^13 - 4*y^12 + 3*y^11 - 6/5*y^10 + 
    1/5*y^9