The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+75x^30+280x^32+651x^34+1050x^36+1066x^38+646x^40+231x^42+60x^44+19x^46+9x^48+5x^50+2x^52+1x^58

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 0.451 seconds.