The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+142x^30+88x^31+425x^32+296x^33+880x^34+724x^35+1147x^36+868x^37+1164x^38+672x^39+809x^40+368x^41+354x^42+52x^43+125x^44+4x^45+50x^46+21x^48+2x^50

The gray image is a code over GF(2) with n=148, k=13 and d=60.
This code was found by Heurico 1.16 in 1.41 seconds.