The generator matrix

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

generates a code of length 69 over Z8 who´s minimum homogenous weight is 61.

Homogenous weight enumerator: w(x)=1x^0+44x^61+267x^62+360x^63+562x^64+560x^65+684x^66+584x^67+850x^68+636x^69+845x^70+546x^71+660x^72+426x^73+396x^74+264x^75+196x^76+100x^77+99x^78+36x^79+29x^80+20x^81+12x^82+6x^84+4x^85+1x^86+2x^87+2x^89

The gray image is a code over GF(2) with n=276, k=13 and d=122.
This code was found by Heurico 1.16 in 2.55 seconds.