The generator matrix

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

generates a code of length 61 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+54x^54+150x^55+262x^56+334x^57+353x^58+416x^59+392x^60+356x^61+366x^62+344x^63+317x^64+284x^65+223x^66+110x^67+35x^68+16x^69+18x^70+14x^71+10x^72+14x^73+10x^74+6x^75+5x^76+4x^77+2x^84

The gray image is a code over GF(2) with n=244, k=12 and d=108.
This code was found by Heurico 1.16 in 0.723 seconds.