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

generates a code of length 48 over Z8 who´s minimum homogenous weight is 37.

Homogenous weight enumerator: w(x)=1x^0+112x^37+244x^38+324x^39+430x^40+546x^41+748x^42+944x^43+1322x^44+2226x^45+3191x^46+4032x^47+4436x^48+4016x^49+3235x^50+2268x^51+1450x^52+1008x^53+736x^54+512x^55+378x^56+254x^57+136x^58+100x^59+44x^60+30x^61+29x^62+12x^63+2x^64+1x^66+1x^80

The gray image is a code over GF(2) with n=192, k=15 and d=74.
This code was found by Heurico 1.16 in 43 seconds.