D=-168
715625467678318943493049/45414676273641251701112332914615367015507968000000000000000*X^0 + 
76902331246837571242132244660969/10343030839063718830875569574400062816000000000000*X^1 + 
61974708831970684454539062313013/12563138405536508459869947156024000000000*X^2 + 
43152204741204944154353/11975506823747137844250000*X^3 + 
1*X^4