The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  0  2  2  4  2  2  0  4  4  4  0  0  2  2  0  4  2  2  2  2  0  4  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2
 0  2  0  2  0  0  2  2  4  4  6  6  4  4  6  6  0  4  2  6  0  4  2  6  4  0  6  2  4  0  6  2  4  2  2  0  6  2  6  6  0  4  2  2  2  2  2  2  4  0  4  2  0  6  2  2  0  0  4  4  4  4  0  0  2  2  6  6  6  6  2  2  0  0  4  4  0  0  4  4  4  4  0  0  2  2  6  6  6  6  2  2  0  0  4  4  4  2  6
 0  0  2  2  4  6  6  4  4  2  6  0  0  6  2  4  0  2  2  0  4  6  6  4  4  6  6  4  0  2  2  0  2  2  4  2  2  0  0  4  2  2  2  6  6  2  4  0  2  2  6  6  6  6  0  4  0  4  4  0  2  6  6  2  2  6  6  2  0  4  4  0  0  4  4  0  0  4  4  0  2  6  6  2  2  6  6  2  0  4  4  0  0  4  4  0  2  2  0

generates a code of length 99 over Z8 who´s minimum homogenous weight is 98.

Homogenous weight enumerator: w(x)=1x^0+42x^98+32x^99+39x^100+6x^102+5x^104+2x^108+1x^140

The gray image is a code over GF(2) with n=396, k=7 and d=196.
This code was found by Heurico 1.16 in 0.387 seconds.