The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+37x^42+118x^43+237x^44+278x^45+365x^46+472x^47+437x^48+412x^49+394x^50+396x^51+298x^52+226x^53+192x^54+82x^55+42x^56+40x^57+23x^58+18x^59+9x^60+4x^61+11x^62+2x^63+2x^66

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 0.523 seconds.