The generator matrix

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

generates a code of length 30 over Z8 who´s minimum homogenous weight is 22.

Homogenous weight enumerator: w(x)=1x^0+131x^22+372x^23+1004x^24+1820x^25+3373x^26+5166x^27+6998x^28+8858x^29+9552x^30+9326x^31+7429x^32+5114x^33+3188x^34+1738x^35+926x^36+334x^37+133x^38+38x^39+22x^40+2x^41+7x^42+4x^44

The gray image is a code over GF(2) with n=120, k=16 and d=44.
This code was found by Heurico 1.16 in 39.2 seconds.