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

generates a code of length 60 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+197x^48+643x^50+983x^52+8x^53+1424x^54+120x^55+2196x^56+1128x^57+4112x^58+2840x^59+5352x^60+2840x^61+4189x^62+1128x^63+2332x^64+120x^65+1491x^66+8x^67+888x^68+490x^70+193x^72+58x^74+16x^76+9x^78+1x^84+1x^104

The gray image is a code over GF(2) with n=240, k=15 and d=96.
This code was found by Heurico 1.16 in 56.1 seconds.