The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+59x^20+48x^21+66x^22+32x^23+26x^24+16x^25+2x^26+1x^28+4x^30+1x^32

The gray image is a code over GF(2) with n=88, k=8 and d=40.
This code was found by Heurico 1.16 in 0.00258 seconds.