The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+89x^42+48x^43+305x^44+176x^45+469x^46+368x^47+458x^48+320x^49+452x^50+432x^51+421x^52+144x^53+225x^54+48x^55+74x^56+35x^58+17x^60+9x^62+3x^64+1x^68+1x^70

The gray image is a code over GF(2) with n=196, k=12 and d=84.
This code was found by Heurico 1.16 in 0.54 seconds.