The generator matrix

 1  0  0  1  1  1  6  1  6  1  1  2  1  2  1  2  4  1  1  1  6  0  0  0  1  1  1  6  0  6  1  1  1  1  1  1  4  4  1  1  1  1  1  1  1  0  6  2  1  0  6  1  6  1  6  1  1  4  1  1  1  1
 0  1  0  0  1  3  1  4  0  4  7  1  3  1  5  2  1  2  0  3  1  1  6  1  6  1  4  1  4  1  2  3  2  2  7  1  1  1  3  0  2  4  5  5  7  0  4  4  4  1  1  2  1  6  4  6  1  6  4  5  7  0
 0  0  1  1  3  0  3  3  1  2  3  2  2  1  1  1  2  6  3  4  5  0  1  1  6  5  2  6  1  0  6  1  3  3  7  6  5  6  1  7  2  2  6  4  2  1  1  1  0  7  4  5  5  7  1  3  4  1  6  3  4  0
 0  0  0  2  2  6  4  6  0  0  2  4  2  0  6  0  0  4  4  0  6  6  2  2  6  4  2  4  2  2  2  0  0  6  2  4  0  6  4  0  0  4  2  0  6  0  0  2  4  2  4  6  2  2  2  0  2  6  6  0  4  0
 0  0  0  0  4  0  0  4  4  4  0  4  4  0  0  4  0  0  4  0  4  4  0  4  0  0  4  4  4  4  4  4  0  0  4  4  4  0  4  4  4  0  0  0  4  0  0  0  0  0  4  4  0  4  4  4  0  0  0  0  4  4
 0  0  0  0  0  4  4  0  0  0  0  0  0  0  4  4  4  4  4  4  4  0  0  0  4  0  4  4  4  4  0  4  4  4  4  0  4  0  4  4  4  0  0  4  4  4  0  4  4  0  4  4  4  0  0  0  0  0  0  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+55x^54+190x^55+282x^56+540x^57+549x^58+784x^59+610x^60+876x^61+682x^62+880x^63+607x^64+614x^65+432x^66+406x^67+236x^68+220x^69+61x^70+70x^71+46x^72+18x^73+11x^74+6x^75+10x^76+4x^77+2x^78

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 2.17 seconds.