The generator matrix

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

generates a code of length 30 over Z8 who´s minimum homogenous weight is 23.

Homogenous weight enumerator: w(x)=1x^0+64x^23+282x^24+584x^25+898x^26+1206x^27+1736x^28+2270x^29+2330x^30+2174x^31+1793x^32+1326x^33+902x^34+450x^35+215x^36+106x^37+30x^38+10x^39+4x^40+2x^41+1x^52

The gray image is a code over GF(2) with n=120, k=14 and d=46.
This code was found by Heurico 1.16 in 3.36 seconds.