The generator matrix

 1  0  0  0  1  1  1  6  1  1  1  1  1  1  1  1  1  1
 0  1  0  0  0  1  7  1  0  3  5  5  7  4  6  2  2  0
 0  0  1  0  1  1  5  7  1  5  7  6  5  2  6  7  4  0
 0  0  0  1  8  0  5  5  1  6  6  4  5  3  2  5  3  0
 0  0  0  0  6  0  6  3  0  6  3  6  3  0  0  0  0  3
 0  0  0  0  0  3  6  0  6  3  0  3  6  6  0  0  6  3

generates a code of length 18 over Z9 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+44x^24+60x^25+150x^26+658x^27+438x^28+684x^29+2554x^30+1386x^31+1926x^32+6702x^33+3696x^34+4380x^35+11746x^36+4452x^37+4122x^38+8350x^39+2556x^40+1584x^41+2664x^42+510x^43+276x^44+58x^45+24x^46+22x^48+4x^51+2x^54

The gray image is a code over GF(3) with n=54, k=10 and d=24.
This code was found by Heurico 1.16 in 6.22 seconds.