The generator matrix

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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+230x^46+416x^48+430x^50+412x^52+308x^54+184x^56+34x^58+6x^60+18x^62+3x^64+4x^66+2x^68

The gray image is a code over GF(2) with n=204, k=11 and d=92.
This code was found by Heurico 1.16 in 1.56 seconds.