The generator matrix

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

generates a code of length 62 over Z8 who´s minimum homogenous weight is 56.

Homogenous weight enumerator: w(x)=1x^0+197x^56+260x^57+366x^58+316x^59+501x^60+344x^61+406x^62+380x^63+338x^64+240x^65+208x^66+156x^67+152x^68+80x^69+76x^70+12x^71+35x^72+4x^73+10x^74+7x^76+6x^78+1x^80

The gray image is a code over GF(2) with n=248, k=12 and d=112.
This code was found by Heurico 1.16 in 0.683 seconds.