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  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  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  4  0  4  3  0  0  6  0  4  0  2  4  0  2  0  4  0  2  0  0  2  0  0  0  2  0  0  0  2  0  0  0  0  2  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  2  0  0  0  0  2  0  0  2  2  0  4  2  0  2  2  2  0  0  0  4  2  2  0  2  0  2  0  0  2  0  2  4  2  0  2  0  0  2  0  0  4  2  0  0  2  0  0  4  2  0  0  0  0  0  4  0  2  2  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  2  0  0  0  2  0  2  2  0  4  6  0  2  2  0  2  0  0  4  6  2  0  2  0  2  0  0  0  2  2  0  4  2  0  0  4  0  2  0  0  0  4  0  2  0  0  0  4  0  0  0  4  2  0  4  0  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  0  0  0  2  0  0  2  2  2  0  0  4  0  2  6  0  2  2  0  2  4  2  2  2  0  0  2  2  2  0  0  0  2  2  0  0  0  4  0  6  0  4  4  4  0  2  0  0  0  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  0  0  0  0
 0  0  0  0  0  2  0  6  2  0  2  0  2  4  0  6  2  6  0  2  2  4  0  0  0  2  2  2  2  2  2  2  2  0  2  0  0  0  2  0  4  0  4  0  2  0  0  0  0  0  0  0  0  4  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  0  0
 0  0  0  0  0  0  2  6  4  2  4  2  2  6  6  0  4  4  2  0  0  6  4  0  2  2  0  0  2  2  2  2  0  0  0  2  0  0  0  0  0  0  2  0  2  0  0  0  0  4  0  0  0  0  0  4  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 84 over Z8 who´s minimum homogenous weight is 33.

Homogenous weight enumerator: w(x)=1x^0+12x^33+5x^34+4x^35+5x^36+12x^37+15x^38+12x^39+21x^40+60x^41+50x^42+60x^43+98x^44+154x^45+143x^46+166x^47+180x^48+244x^49+303x^50+326x^51+424x^52+378x^53+475x^54+528x^55+458x^56+500x^57+544x^58+498x^59+515x^60+426x^61+383x^62+294x^63+236x^64+214x^65+132x^66+146x^67+82x^68+54x^69+46x^70+58x^71+84x^72+110x^73+154x^74+250x^75+412x^76+554x^77+780x^78+1136x^79+2082x^80+3530x^81+5066x^82+6678x^83+7380x^84+6584x^85+5098x^86+3534x^87+2066x^88+1208x^89+768x^90+536x^91+372x^92+262x^93+180x^94+100x^95+80x^96+52x^97+54x^98+70x^99+78x^100+128x^101+150x^102+242x^103+260x^104+276x^105+386x^106+446x^107+470x^108+458x^109+519x^110+498x^111+494x^112+524x^113+480x^114+400x^115+394x^116+332x^117+322x^118+232x^119+201x^120+180x^121+140x^122+104x^123+87x^124+100x^125+39x^126+56x^127+25x^128+22x^129+22x^130+10x^131+2x^132+6x^133+1x^134+4x^136+4x^137+1x^148+1x^150

The gray image is a code over GF(2) with n=336, k=16 and d=66.
This code was found by Heurico 1.16 in 99.4 seconds.