The generator matrix

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

generates a code of length 72 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+18x^45+28x^46+90x^47+111x^48+244x^49+226x^50+456x^51+414x^52+654x^53+752x^54+776x^55+686x^56+776x^57+729x^58+552x^59+588x^60+326x^61+396x^62+464x^63+806x^64+954x^65+1392x^66+2126x^67+3080x^68+3938x^69+4400x^70+4868x^71+5588x^72+5256x^73+4421x^74+3820x^75+2988x^76+2200x^77+1468x^78+932x^79+680x^80+388x^81+438x^82+384x^83+606x^84+518x^85+721x^86+768x^87+828x^88+852x^89+646x^90+628x^91+405x^92+416x^93+218x^94+230x^95+100x^96+90x^97+34x^98+34x^99+14x^100+10x^101+1x^102+2x^106+1x^108

The gray image is a code over GF(2) with n=288, k=16 and d=90.
This code was found by Heurico 1.16 in 99.1 seconds.