The generator matrix

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

generates a code of length 86 over Z8 who´s minimum homogenous weight is 43.

Homogenous weight enumerator: w(x)=1x^0+16x^43+20x^44+32x^45+20x^46+52x^47+42x^48+96x^49+72x^50+184x^51+154x^52+320x^53+193x^54+472x^55+265x^56+624x^57+404x^58+756x^59+378x^60+804x^61+478x^62+672x^63+461x^64+480x^65+304x^66+336x^67+184x^68+180x^69+53x^70+60x^71+37x^72+34x^73+56x^74+76x^75+96x^76+316x^77+454x^78+882x^79+1214x^80+2272x^81+2752x^82+4192x^83+4154x^84+5502x^85+4910x^86+5774x^87+4426x^88+4096x^89+2660x^90+2186x^91+1260x^92+926x^93+426x^94+328x^95+102x^96+62x^97+30x^98+26x^99+26x^100+54x^101+112x^102+230x^103+154x^104+330x^105+270x^106+488x^107+452x^108+726x^109+430x^110+758x^111+460x^112+682x^113+413x^114+628x^115+272x^116+510x^117+195x^118+306x^119+120x^120+190x^121+66x^122+108x^123+50x^124+62x^125+28x^126+26x^127+6x^128+6x^129+3x^130+4x^131+2x^132+5x^134+2x^138

The gray image is a code over GF(2) with n=344, k=16 and d=86.
This code was found by Heurico 1.16 in 99.2 seconds.