The generator matrix

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

generates a code of length 38 over Z8 who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+47x^26+2x^27+128x^28+54x^29+208x^30+234x^31+414x^32+1278x^33+892x^34+3924x^35+1491x^36+6780x^37+1809x^38+6836x^39+1525x^40+3900x^41+889x^42+1258x^43+430x^44+270x^45+202x^46+34x^47+90x^48+6x^49+42x^50+15x^52+5x^54+1x^56+2x^58+1x^64

The gray image is a code over GF(2) with n=152, k=15 and d=52.
This code was found by Heurico 1.16 in 17.4 seconds.