The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+236x^20+272x^22+344x^24+112x^26+52x^28+7x^32

The gray image is a code over GF(2) with n=92, k=10 and d=40.
This code was found by Heurico 1.16 in 4.99 seconds.