The generator matrix

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

generates a code of length 26 over Z8 who´s minimum homogenous weight is 19.

Homogenous weight enumerator: w(x)=1x^0+78x^19+428x^20+748x^21+1634x^22+2446x^23+3848x^24+4336x^25+5601x^26+4510x^27+3831x^28+2492x^29+1677x^30+642x^31+338x^32+104x^33+43x^34+4x^35+1x^36+5x^38+1x^40

The gray image is a code over GF(2) with n=104, k=15 and d=38.
This code was found by Heurico 1.16 in 8.54 seconds.