The generator matrix

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

generates a code of length 62 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+32x^54+92x^55+133x^56+260x^57+317x^58+328x^59+395x^60+368x^61+366x^62+382x^63+354x^64+294x^65+270x^66+190x^67+115x^68+86x^69+27x^70+30x^71+16x^72+14x^73+8x^74+2x^75+6x^76+2x^77+3x^78+4x^80+1x^82

The gray image is a code over GF(2) with n=248, k=12 and d=108.
This code was found by Heurico 1.16 in 0.745 seconds.