The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+167x^54+404x^55+668x^56+1094x^57+1071x^58+1478x^59+1200x^60+1454x^61+1471x^62+1534x^63+1313x^64+1340x^65+998x^66+812x^67+526x^68+430x^69+185x^70+106x^71+66x^72+34x^73+11x^74+18x^75+2x^76+1x^78

The gray image is a code over GF(2) with n=248, k=14 and d=108.
This code was found by Heurico 1.16 in 8.37 seconds.