The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+113x^24+140x^25+767x^26+608x^27+1674x^28+1344x^29+2458x^30+1908x^31+2817x^32+1452x^33+1620x^34+552x^35+596x^36+136x^37+142x^38+4x^39+45x^40+5x^42+2x^44

The gray image is a code over GF(2) with n=124, k=14 and d=48.
This code was found by Heurico 1.16 in 3.58 seconds.