The generator matrix

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

generates a code of length 51 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+70x^45+250x^46+434x^47+427x^48+376x^49+403x^50+386x^51+384x^52+382x^53+303x^54+204x^55+178x^56+132x^57+65x^58+58x^59+32x^60+3x^62+6x^63+2x^64

The gray image is a code over GF(2) with n=204, k=12 and d=90.
This code was found by Heurico 1.11 in 0.262 seconds.