The generator matrix

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

generates a code of length 18 over Z8 who´s minimum homogenous weight is 11.

Homogenous weight enumerator: w(x)=1x^0+46x^11+262x^12+896x^13+2034x^14+4334x^15+7681x^16+11020x^17+12750x^18+11326x^19+7784x^20+4200x^21+2030x^22+866x^23+206x^24+76x^25+18x^26+4x^27+2x^28

The gray image is a code over GF(2) with n=72, k=16 and d=22.
This code was found by Heurico 1.16 in 15.2 seconds.