The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+84x^29+329x^30+776x^31+1160x^32+1860x^33+2725x^34+3314x^35+3929x^36+4208x^37+4061x^38+3596x^39+2739x^40+1724x^41+1110x^42+676x^43+291x^44+116x^45+30x^46+20x^47+8x^48+8x^49+2x^51+1x^58

The gray image is a code over GF(2) with n=148, k=15 and d=58.
This code was found by Heurico 1.16 in 15.8 seconds.