The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+64x^29+336x^30+816x^31+1205x^32+2052x^33+2114x^34+3728x^35+3463x^36+4940x^37+3502x^38+4056x^39+2431x^40+2012x^41+898x^42+608x^43+304x^44+148x^45+58x^46+8x^47+18x^48+4x^50+1x^52+1x^56

The gray image is a code over GF(2) with n=148, k=15 and d=58.
This code was found by Heurico 1.16 in 15.2 seconds.