X^13 - 4202*X^12 + 1412493202/191*X^11 - 6343688756*X^10 + 87245245625395180/36481*X^9 - 23211155545742129/191*X^8 + 19001215934297566677392/6967871*X^7 - 1694383736512769984920/36481*X^6 + 
    155823863109828243265807911/1330863361*X^5 + 85060351250310992534759892/6967871*X^4 + 13927021414699229629444652225497/254194901951*X^3 + 286729965560629972647026267818/1330863361*X^2 - 
    4128156813006442204486984045108408/48551226272641*X + 78076633649318279424577089103673/254194901951