The generator matrix

 1  0  1  1  1  0  1  1  0  1  4  1  1  2  1  0  1  1  1  1  2  1  1  1  1  4  0  1  1  1
 0  1  1  0  3  1  3  0  1  4  1  6  5  1  3  1  5  2  2  7  1  2  0  0  4  2  1  5  4  7
 0  0  2  0  0  0  0  2  2  6  6  2  4  4  6  0  6  4  6  6  6  2  0  2  2  6  0  6  0  4
 0  0  0  2  0  6  6  2  6  4  4  2  0  2  6  0  2  2  0  4  0  6  0  6  4  0  0  2  6  6
 0  0  0  0  4  0  0  0  0  0  0  0  0  4  4  4  4  0  4  4  4  0  4  4  0  4  4  0  0  4
 0  0  0  0  0  4  0  0  0  4  0  4  4  0  0  0  4  4  4  0  4  0  4  4  0  0  4  4  0  4
 0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  4  4  4  0  0  4  0  4  4  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+54x^23+151x^24+280x^25+351x^26+546x^27+928x^28+1198x^29+1229x^30+1086x^31+985x^32+638x^33+302x^34+230x^35+104x^36+58x^37+34x^38+4x^39+7x^40+2x^41+3x^42+1x^46

The gray image is a code over GF(2) with n=120, k=13 and d=46.
This code was found by Heurico 1.16 in 1.1 seconds.