The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+112x^28+76x^29+446x^30+420x^31+1572x^32+1312x^33+3030x^34+2576x^35+5084x^36+3480x^37+5028x^38+2680x^39+3211x^40+1216x^41+1412x^42+464x^43+464x^44+60x^45+62x^46+4x^47+47x^48+6x^50+4x^52+1x^56

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 15.4 seconds.