The generator matrix

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

generates a code of length 84 over Z8 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+86x^75+173x^76+322x^77+358x^78+416x^79+611x^80+610x^81+658x^82+676x^83+637x^84+664x^85+634x^86+566x^87+470x^88+406x^89+330x^90+176x^91+121x^92+74x^93+46x^94+42x^95+26x^96+28x^97+16x^98+16x^99+4x^100+8x^101+6x^102+4x^103+3x^104+2x^107+1x^108+1x^112

The gray image is a code over GF(2) with n=336, k=13 and d=150.
This code was found by Heurico 1.16 in 4.19 seconds.