The generator matrix

 1  0  0  1  1  1  6  4  6  0  1  1  2  1  1  1  4  1  1  6  2  1  1  1  6  1  6  6  1  1  4  2  0  1  1  1  1  1  2  0  6  1  1  0  4  1  1  1  1
 0  1  0  0  1  1  1  1  1  6  4  0  2  5  3  7  1  6  2  1  1  4  7  7  4  6  1  1  4  5  1  1  1  7  5  7  0  0  4  1  1  6  6  1  1  1  7  7  6
 0  0  1  3  3  0  3  2  5  1  2  5  1  5  0  1  5  5  6  4  5  1  2  7  1  0  2  3  0  0  6  4  1  1  6  0  5  2  1  3  2  6  1  5  4  2  2  7  3
 0  0  0  4  0  0  0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  4  4  4  4  4  4  4  4  4  0  4  4  4  0  0  0  4  4  4  0  4  0  0  4  4  4  0  4
 0  0  0  0  4  0  0  0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  4  4  4  0  0  0  4  0  4  4  4  0  0  4  4  4  4  0  0  4  4  4  4  0  0  4  0
 0  0  0  0  0  4  0  0  0  0  4  4  4  4  0  0  0  0  0  4  0  4  4  4  4  4  4  0  0  0  4  0  0  4  0  0  4  0  0  4  4  4  4  4  4  0  0  0  4
 0  0  0  0  0  0  4  4  0  4  0  0  4  4  4  0  0  4  0  0  4  4  0  4  0  0  4  0  4  0  4  4  0  4  0  0  0  4  0  4  4  0  4  4  0  4  0  4  0

generates a code of length 49 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+123x^42+196x^43+580x^44+408x^45+826x^46+632x^47+1135x^48+672x^49+986x^50+552x^51+814x^52+408x^53+432x^54+152x^55+140x^56+48x^57+51x^58+4x^59+14x^60+14x^62+4x^64

The gray image is a code over GF(2) with n=196, k=13 and d=84.
This code was found by Heurico 1.16 in 1.64 seconds.