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

generates a code of length 50 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+62x^38+104x^39+229x^40+314x^41+563x^42+730x^43+1042x^44+1384x^45+1903x^46+2408x^47+2744x^48+3268x^49+3166x^50+3164x^51+2950x^52+2480x^53+1945x^54+1456x^55+981x^56+658x^57+466x^58+314x^59+222x^60+88x^61+81x^62+16x^63+21x^64+4x^66+2x^68+1x^70+1x^90

The gray image is a code over GF(2) with n=200, k=15 and d=76.
This code was found by Heurico 1.16 in 41.5 seconds.