The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+58x^22+202x^23+470x^24+922x^25+1679x^26+2538x^27+3516x^28+4480x^29+4893x^30+4638x^31+3646x^32+2500x^33+1585x^34+910x^35+448x^36+160x^37+73x^38+32x^39+14x^40+2x^41+1x^48

The gray image is a code over GF(2) with n=120, k=15 and d=44.
This code was found by Heurico 1.16 in 12.4 seconds.