The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+180x^29+708x^30+1592x^31+2468x^32+3368x^33+5511x^34+6348x^35+8209x^36+8328x^37+8318x^38+6996x^39+5448x^40+3532x^41+2394x^42+1124x^43+618x^44+236x^45+90x^46+36x^47+23x^48+4x^49+3x^50+1x^52

The gray image is a code over GF(2) with n=148, k=16 and d=58.
This code was found by Heurico 1.11 in 26.9 seconds.