The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+354x^30+720x^31+1464x^32+1824x^33+2644x^34+3204x^35+4212x^36+3768x^37+4240x^38+3372x^39+2886x^40+1872x^41+1200x^42+508x^43+316x^44+88x^45+70x^46+4x^47+17x^48+4x^50

The gray image is a code over GF(2) with n=148, k=15 and d=60.
This code was found by Heurico 1.16 in 16.7 seconds.