The generator matrix

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

generates a code of length 66 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+149x^48+520x^52+24x^54+940x^56+300x^58+1760x^60+1048x^62+6737x^64+9612x^66+7020x^68+936x^70+1844x^72+324x^74+913x^76+40x^78+417x^80+4x^82+148x^84+24x^88+6x^92+1x^108

The gray image is a code over GF(2) with n=264, k=15 and d=96.
This code was found by Heurico 1.16 in 81.3 seconds.