The generator matrix

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

generates a code of length 46 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+28x^45+78x^46+15x^48+4x^53+2x^54

The gray image is a code over GF(2) with n=184, k=7 and d=90.
This code was found by Heurico 1.16 in 2.89 seconds.