The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+76x^30+174x^31+410x^32+924x^33+1214x^34+2604x^35+3140x^36+5672x^37+5787x^38+9002x^39+7257x^40+9038x^41+5991x^42+5870x^43+3204x^44+2590x^45+1174x^46+752x^47+306x^48+206x^49+88x^50+30x^51+16x^52+2x^53+3x^54+1x^56+3x^58+1x^64

The gray image is a code over GF(2) with n=160, k=16 and d=60.
This code was found by Heurico 1.16 in 69 seconds.