The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+175x^28+560x^29+1308x^30+2702x^31+4792x^32+6892x^33+10768x^34+12914x^35+16649x^36+16834x^37+16815x^38+13608x^39+11111x^40+7262x^41+4444x^42+2052x^43+1248x^44+574x^45+224x^46+82x^47+40x^48+6x^49+8x^50+2x^51+1x^54

The gray image is a code over GF(2) with n=148, k=17 and d=56.
This code was found by Heurico 1.11 in 103 seconds.