D=-68 55898119806952225703/-97115124439483295075410317934592000000000000*X^0 + 3241047583041491315493/-32816259069353946486879027200000000*X^1 + -2733168278086724110946781/-69734550522377136284617932800000*X^2 + 168200073932229653/-866325908234644338400*X^3 + 1*X^4