The generator matrix

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

generates a code of length 40 over Z8 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+75x^30+130x^31+290x^32+434x^33+657x^34+1472x^35+1336x^36+3228x^37+2353x^38+4872x^39+2821x^40+5118x^41+2385x^42+3298x^43+1430x^44+1354x^45+604x^46+444x^47+239x^48+104x^49+61x^50+22x^51+26x^52+2x^53+7x^54+2x^55+1x^56+1x^58+1x^62

The gray image is a code over GF(2) with n=160, k=15 and d=60.
This code was found by Heurico 1.16 in 21.9 seconds.