The generator matrix

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

generates a code of length 87 over Z8 who´s minimum homogenous weight is 43.

Homogenous weight enumerator: w(x)=1x^0+16x^43+12x^44+22x^46+16x^47+29x^48+32x^49+36x^50+68x^51+97x^52+100x^53+144x^54+120x^55+210x^56+236x^57+289x^58+396x^59+406x^60+460x^61+435x^62+604x^63+445x^64+472x^65+597x^66+504x^67+518x^68+372x^69+345x^70+368x^71+275x^72+208x^73+176x^74+116x^75+185x^76+184x^77+400x^78+492x^79+1004x^80+1292x^81+2254x^82+2596x^83+4140x^84+4368x^85+5352x^86+4604x^87+5474x^88+4504x^89+4046x^90+2636x^91+2288x^92+1192x^93+1030x^94+472x^95+426x^96+184x^97+188x^98+196x^99+178x^100+148x^101+260x^102+308x^103+350x^104+388x^105+451x^106+552x^107+459x^108+540x^109+540x^110+556x^111+467x^112+412x^113+449x^114+320x^115+310x^116+248x^117+223x^118+212x^119+147x^120+124x^121+70x^122+72x^123+31x^124+20x^125+31x^126+8x^127+12x^128+4x^129+4x^130+7x^132+2x^134+1x^140

The gray image is a code over GF(2) with n=348, k=16 and d=86.
This code was found by Heurico 1.16 in 99.5 seconds.