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

generates a code of length 49 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+8x^46+32x^47+62x^48+64x^49+48x^50+32x^51+8x^54+1x^96

The gray image is a code over GF(2) with n=196, k=8 and d=92.
This code was found by Heurico 1.16 in 0.0379 seconds.