The generator matrix

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

generates a code of length 59 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+58x^45+110x^46+160x^47+248x^48+392x^49+760x^50+1260x^51+1809x^52+2224x^53+3066x^54+3950x^55+4583x^56+5270x^57+5870x^58+6114x^59+5712x^60+5416x^61+4552x^62+3918x^63+3184x^64+2202x^65+1751x^66+1056x^67+760x^68+490x^69+257x^70+166x^71+76x^72+72x^73+15x^74+10x^75+11x^76+4x^77+3x^78+6x^79

The gray image is a code over GF(2) with n=236, k=16 and d=90.
This code was found by Heurico 1.16 in 98.6 seconds.