The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+217x^28+16x^29+574x^30+272x^31+1552x^32+1200x^33+3120x^34+2768x^35+4793x^36+3728x^37+4652x^38+2864x^39+3318x^40+1168x^41+1504x^42+240x^43+553x^44+32x^45+134x^46+57x^48+4x^52+1x^68

The gray image is a code over GF(2) with n=148, k=15 and d=56.
This code was found by Heurico 1.16 in 19.6 seconds.