The generator matrix

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

generates a code of length 49 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+178x^40+156x^41+746x^42+732x^43+1689x^44+1652x^45+2858x^46+2832x^47+3721x^48+3452x^49+3906x^50+3080x^51+2839x^52+1628x^53+1542x^54+624x^55+656x^56+152x^57+212x^58+28x^59+63x^60+16x^62+4x^64+1x^68

The gray image is a code over GF(2) with n=196, k=15 and d=80.
This code was found by Heurico 1.16 in 25.6 seconds.