The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+186x^54+92x^55+449x^56+248x^57+662x^58+588x^59+847x^60+564x^61+931x^62+712x^63+860x^64+480x^65+588x^66+332x^67+346x^68+52x^69+122x^70+4x^71+72x^72+34x^74+14x^76+5x^78+2x^80+1x^84

The gray image is a code over GF(2) with n=248, k=13 and d=108.
This code was found by Heurico 1.16 in 3.02 seconds.