The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+232x^56+180x^57+428x^58+332x^59+544x^60+292x^61+416x^62+300x^63+340x^64+244x^65+276x^66+116x^67+161x^68+44x^69+108x^70+20x^71+26x^72+8x^73+16x^74+6x^76+4x^78+1x^80+1x^84

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 0.77 seconds.