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

generates a code of length 69 over Z8 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+151x^62+12x^63+117x^64+136x^65+159x^66+196x^67+125x^68+304x^69+139x^70+276x^71+80x^72+72x^73+102x^74+28x^75+42x^76+69x^78+17x^80+19x^82+1x^84+1x^86+1x^112

The gray image is a code over GF(2) with n=276, k=11 and d=124.
This code was found by Heurico 1.16 in 15.5 seconds.