The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 31.

Homogenous weight enumerator: w(x)=1x^0+76x^31+237x^32+240x^33+408x^34+292x^35+657x^36+356x^37+654x^38+300x^39+383x^40+178x^41+140x^42+54x^43+63x^44+24x^45+14x^46+12x^47+3x^48+2x^49+2x^51

The gray image is a code over GF(2) with n=148, k=12 and d=62.
This code was found by Heurico 1.16 in 0.392 seconds.