The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 33.

Homogenous weight enumerator: w(x)=1x^0+4x^33+16x^34+24x^35+19x^36+24x^37+47x^38+44x^39+74x^40+80x^41+120x^42+146x^43+164x^44+164x^45+187x^46+238x^47+260x^48+336x^49+330x^50+378x^51+442x^52+486x^53+483x^54+536x^55+471x^56+498x^57+526x^58+420x^59+387x^60+298x^61+289x^62+202x^63+176x^64+140x^65+96x^66+92x^67+94x^68+126x^69+180x^70+220x^71+282x^72+388x^73+614x^74+926x^75+1510x^76+2570x^77+3622x^78+4810x^79+5946x^80+6334x^81+5982x^82+5066x^83+3638x^84+2372x^85+1558x^86+1016x^87+646x^88+410x^89+320x^90+198x^91+134x^92+128x^93+90x^94+74x^95+94x^96+116x^97+156x^98+184x^99+244x^100+310x^101+426x^102+482x^103+452x^104+488x^105+515x^106+496x^107+512x^108+490x^109+425x^110+386x^111+342x^112+318x^113+286x^114+276x^115+189x^116+206x^117+181x^118+130x^119+137x^120+52x^121+45x^122+34x^123+34x^124+42x^125+13x^126+6x^127+7x^128+4x^129+2x^130+3x^134+1x^140

The gray image is a code over GF(2) with n=324, k=16 and d=66.
This code was found by Heurico 1.16 in 99.4 seconds.