The generator matrix

 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  2  0  2  2  2  4  1  4  2  0  2  0  2  1  1  1  2  1  0  1  1  1  0  1  1  1  1  1  1  1  2  0  1  1  2  4  1  0  1  1  1  0  1  0  1  0  1  0  1  2  2
 0  2  0  2  0  0  2  6  0  0  2  6  4  0  6  4  6  4  2  6  2  4  4  6  4  0  6  2  6  4  6  6  0  6  4  6  6  2  2  0  2  2  0  2  6  2  6  4  2  2  4  4  4  4  2  4  4  0  2  2  2  2  0  2  4  0  0  2  0  0  2  2  2  2  2  6  4  2  0  0  4  2  4  2  0  2  4
 0  0  2  2  0  6  2  0  0  6  2  0  2  4  2  4  0  6  2  0  6  2  4  2  6  0  0  4  0  6  6  2  6  4  4  6  4  4  6  6  6  2  4  2  4  0  4  2  2  6  4  6  2  6  4  4  6  0  0  4  6  4  0  0  0  4  2  4  0  6  0  2  4  0  2  2  4  0  6  2  0  4  0  4  0  6  2
 0  0  0  4  0  0  0  0  0  0  0  0  0  0  4  0  0  0  0  4  0  4  4  4  4  4  0  0  0  4  0  4  4  4  4  0  0  0  4  0  4  4  0  0  4  4  4  0  0  4  0  0  0  4  4  0  4  4  4  4  0  4  4  4  0  0  4  4  4  0  0  0  0  0  0  0  0  4  4  0  4  0  4  0  4  0  4
 0  0  0  0  4  0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  0  4  4  4  4  0  4  4  4  0  4  4  4  4  0  0  4  4  4  0  0  0  4  4  4  0  4  4  4  0  0  0  0  0  4  0  4  4  0  4  4  0  4  0  0  0  4  0  4  4  4  0  4
 0  0  0  0  0  4  0  0  0  0  0  0  4  0  0  0  0  4  4  0  4  0  4  4  4  4  4  4  4  4  4  4  0  4  0  0  0  4  4  0  0  0  0  0  0  0  4  4  4  0  0  4  0  4  0  0  4  0  4  0  0  0  4  4  4  4  4  0  4  4  4  0  4  0  0  0  4  4  4  0  0  0  4  0  4  4  4
 0  0  0  0  0  0  4  0  0  0  4  0  0  0  0  0  0  0  4  4  4  4  4  0  4  4  0  0  0  4  4  0  4  4  4  4  4  4  4  0  4  0  0  4  4  4  0  0  4  4  4  4  0  0  4  4  0  0  0  0  0  0  0  4  0  4  4  0  0  4  0  4  0  4  0  0  4  0  0  4  4  0  4  4  4  0  0
 0  0  0  0  0  0  0  4  0  0  4  4  4  4  0  0  0  0  0  0  4  0  4  4  0  0  4  0  4  0  4  0  4  4  4  0  0  4  0  4  0  4  0  4  4  0  0  4  0  0  4  4  4  0  4  4  4  0  4  4  0  0  4  0  0  0  4  0  0  4  0  0  0  4  0  0  4  4  0  0  4  0  0  0  4  0  4
 0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  4  4  4  4  0  4  0  0  4  4  0  4  4  4  4  0  0  4  0  0  4  0  0  4  4  4  0  4  0  0  0  4  4  4  4  0  0  4  0  0  4  4  0  0  0  0  4  0  4  4  0  4  0  0  0  4  4  0  0  4  4  0  0  4  4  0  0  0  0
 0  0  0  0  0  0  0  0  0  4  0  4  0  0  4  4  4  0  0  0  4  4  4  0  4  0  4  0  0  0  0  0  4  4  4  0  0  0  4  4  0  0  0  4  0  4  4  4  4  4  0  4  0  0  0  4  4  0  4  0  0  4  4  0  4  0  0  0  4  4  4  4  0  4  0  0  4  0  4  4  0  0  0  4  4  4  4

generates a code of length 87 over Z8 who´s minimum homogenous weight is 73.

Homogenous weight enumerator: w(x)=1x^0+16x^73+90x^74+110x^75+206x^76+178x^77+308x^78+316x^79+529x^80+584x^81+771x^82+872x^83+989x^84+1286x^85+1204x^86+1518x^87+1259x^88+1264x^89+1081x^90+866x^91+736x^92+574x^93+421x^94+296x^95+257x^96+152x^97+155x^98+100x^99+77x^100+42x^101+46x^102+14x^103+31x^104+14x^106+4x^107+8x^108+5x^110+3x^112+1x^122

The gray image is a code over GF(2) with n=348, k=14 and d=146.
This code was found by Heurico 1.16 in 65.2 seconds.