The generator matrix

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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 39.

Homogenous weight enumerator: w(x)=1x^0+82x^39+166x^40+220x^41+478x^42+642x^43+970x^44+1288x^45+1565x^46+1892x^47+1815x^48+1868x^49+1635x^50+1272x^51+996x^52+632x^53+368x^54+178x^55+128x^56+80x^57+46x^58+30x^59+18x^60+8x^61+3x^62+2x^64+1x^66

The gray image is a code over GF(2) with n=192, k=14 and d=78.
This code was found by Heurico 1.16 in 38.4 seconds.