The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  4  0  4  4  2  0  2  1  1  0  0  1  1  4
 0  2  0  0  0  2  6  2  0  0  4  2  4  2  6  2  2  0  6  2  4  2  2  2  4  0  2  0  0  0  0  2  4  2  2  6  2
 0  0  2  0  2  2  6  0  0  4  2  2  2  6  4  0  0  0  2  2  0  4  0  2  4  2  6  6  2  6  6  4  0  4  2  4  0
 0  0  0  2  2  0  6  2  4  2  2  0  4  6  0  2  6  0  4  6  2  0  0  0  2  6  0  4  4  4  6  6  2  0  6  4  6
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  4  0  0  0  4  0  4  4  0  4  4  4  0  4  4  0  4  4  0  0  4  0
 0  0  0  0  0  4  0  4  4  0  4  4  0  4  4  4  0  0  4  0  4  0  0  0  4  4  0  0  0  4  4  0  0  4  4  4  4
 0  0  0  0  0  0  4  4  0  4  4  4  0  4  4  0  4  4  4  4  4  4  0  4  4  4  4  4  4  4  0  0  0  4  0  4  4

generates a code of length 37 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+138x^30+8x^31+336x^32+64x^33+478x^34+248x^35+607x^36+384x^37+610x^38+248x^39+472x^40+64x^41+250x^42+8x^43+104x^44+60x^46+15x^48+1x^52

The gray image is a code over GF(2) with n=148, k=12 and d=60.
This code was found by Heurico 1.16 in 0.506 seconds.