The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  2  0  2 2a 2a 2a^2+2a+2 2a^2+2a+2 2a^2+2 2a^2+2  0  2 2a 2a^2 2a^2+2a+2 2a^2  0
 0  0  2 2a^2+2 2a^2 2a^2+2a  2 2a^2 2a^2+2 2a^2+2a 2a 2a^2+2a 2a 2a 2a+2 2a+2  0

generates a code of length 17 over GR(64,4) who´s minimum homogenous weight is 104.

Homogenous weight enumerator: w(x)=1x^0+49x^104+189x^112+3584x^119+147x^120+14x^128+112x^136

The gray image is a code over GF(8) with n=136, k=4 and d=104.
This code was found by Heurico 1.16 in 0.00293 seconds.