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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 39.

Homogenous weight enumerator: w(x)=1x^0+42x^39+151x^40+236x^41+401x^42+476x^43+706x^44+892x^45+1365x^46+1824x^47+2259x^48+2956x^49+3226x^50+3502x^51+3373x^52+2960x^53+2335x^54+1858x^55+1379x^56+956x^57+738x^58+432x^59+268x^60+180x^61+107x^62+52x^63+49x^64+12x^65+18x^66+6x^67+5x^68+1x^70+1x^74+1x^80

The gray image is a code over GF(2) with n=204, k=15 and d=78.
This code was found by Heurico 1.16 in 43.4 seconds.