The generator matrix

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

generates a code of length 29 over Z8 who´s minimum homogenous weight is 22.

Homogenous weight enumerator: w(x)=1x^0+376x^22+860x^23+2164x^24+3128x^25+5338x^26+6688x^27+9362x^28+9132x^29+9703x^30+7204x^31+5579x^32+2928x^33+1893x^34+664x^35+330x^36+108x^37+65x^38+8x^39+4x^40+1x^42

The gray image is a code over GF(2) with n=116, k=16 and d=44.
This code was found by Heurico 1.16 in 61.4 seconds.