The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+58x^30+122x^31+266x^32+404x^33+682x^34+1086x^35+1684x^36+2482x^37+3322x^38+4088x^39+4329x^40+4024x^41+3326x^42+2632x^43+1800x^44+1068x^45+611x^46+366x^47+220x^48+84x^49+59x^50+26x^51+15x^52+2x^53+5x^54+4x^56+1x^58+1x^60

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 22.1 seconds.