The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  0  1  1  1  1  2  0  1  1  1  1  1  1  2  1  0  1  1  2  0  2  0  1  1  1  1  0  1  1  1  1  1  2  2  1  1
 0  2  0  6  0  6  0  6  0  6  4  6  0  6  2  0  4  0  0  4  6  2  6  2  6  6  2  6  6  2  0  6  6  4  4  2  6  4  2  4  2  6  2  6  2  0  0  0  6  2  6  2  6  4  6  6  6  0  0
 0  0  4  0  0  0  0  0  0  0  4  0  4  4  4  0  4  0  4  0  0  0  0  4  0  4  4  4  0  4  4  0  0  0  4  4  4  0  0  4  4  0  4  4  4  0  0  0  4  4  0  4  4  4  0  4  4  0  0
 0  0  0  4  0  0  0  0  0  0  0  4  0  4  4  0  0  0  0  0  0  4  4  0  0  4  0  4  0  4  4  4  0  4  4  4  4  4  0  0  0  4  0  4  0  4  4  0  4  0  4  0  0  4  4  0  0  0  0
 0  0  0  0  4  0  0  0  0  0  0  0  4  0  0  0  4  4  4  4  4  0  0  4  0  0  0  0  4  0  4  4  4  0  0  4  4  4  0  4  4  0  4  0  0  0  4  4  0  4  4  4  0  4  4  0  4  0  0
 0  0  0  0  0  4  0  0  0  4  0  4  0  0  4  0  0  4  4  4  4  4  4  0  0  0  4  0  0  4  0  4  4  4  0  0  4  4  4  0  4  0  4  4  0  4  4  4  0  0  0  4  4  0  4  0  4  0  0
 0  0  0  0  0  0  4  0  0  0  0  0  4  0  0  4  0  0  0  4  4  4  4  4  4  4  4  4  4  4  0  4  4  0  4  4  4  0  0  4  0  4  0  4  0  0  4  4  0  0  0  4  0  4  0  4  4  0  0
 0  0  0  0  0  0  0  4  0  4  0  0  0  4  4  4  4  4  0  0  4  4  0  4  4  4  4  0  0  0  0  0  0  0  0  0  4  4  4  4  0  0  4  4  0  4  0  4  0  4  0  0  0  4  4  0  0  0  0
 0  0  0  0  0  0  0  0  4  0  4  4  4  4  0  4  0  4  4  4  0  4  0  0  0  0  0  4  0  0  0  4  4  0  4  0  4  0  0  4  4  4  0  0  0  4  4  4  4  0  4  0  0  0  0  4  0  0  0

generates a code of length 59 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+67x^48+54x^50+8x^51+179x^52+32x^53+234x^54+96x^55+502x^56+224x^57+512x^58+304x^59+587x^60+224x^61+376x^62+96x^63+295x^64+32x^65+90x^66+8x^67+106x^68+14x^70+43x^72+7x^76+3x^80+1x^84+1x^88

The gray image is a code over GF(2) with n=236, k=12 and d=96.
This code was found by Heurico 1.16 in 1.05 seconds.