The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+136x^31+386x^32+616x^33+773x^34+772x^35+1016x^36+870x^37+1057x^38+746x^39+764x^40+468x^41+287x^42+200x^43+52x^44+30x^45+11x^46+2x^47+5x^48

The gray image is a code over GF(2) with n=148, k=13 and d=62.
This code was found by Heurico 1.11 in 0.615 seconds.