The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  6  1  0  6  1  1  0  1  1  6  0  1  1  1  1
 0  1  3  6  1  1  0  3  1  6  5  1  0  1  1  3  6  1  6  0  1  1  0  3  3  0
 0  0  4  0  0  0  0  0  0  4  4  0  4  0  0  4  4  4  0  4  4  4  4  0  4  0
 0  0  0  4  0  0  0  4  0  4  4  0  0  4  4  4  0  4  4  0  0  4  4  0  4  0
 0  0  0  0  4  0  0  0  4  0  4  0  4  4  4  4  4  0  4  0  0  0  0  0  4  0
 0  0  0  0  0  4  0  4  4  0  4  0  4  0  4  0  0  4  0  4  0  4  4  4  4  0
 0  0  0  0  0  0  4  4  0  4  0  4  4  4  0  4  4  0  0  0  0  4  0  4  0  0

generates a code of length 26 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+39x^20+32x^21+102x^22+128x^23+294x^24+224x^25+422x^26+224x^27+280x^28+128x^29+104x^30+32x^31+25x^32+8x^34+1x^36+2x^38+2x^42

The gray image is a code over GF(2) with n=104, k=11 and d=40.
This code was found by Heurico 1.16 in 0.0534 seconds.