The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+55x^28+126x^29+279x^30+740x^31+1137x^32+1774x^33+2501x^34+3362x^35+4201x^36+4322x^37+4215x^38+3490x^39+2636x^40+1786x^41+1006x^42+582x^43+269x^44+184x^45+57x^46+18x^47+18x^48+5x^50+3x^52+1x^54

The gray image is a code over GF(2) with n=148, k=15 and d=56.
This code was found by Heurico 1.16 in 16.2 seconds.