The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+117x^24+8x^25+250x^26+40x^27+493x^28+280x^29+684x^30+368x^31+710x^32+280x^33+450x^34+40x^35+225x^36+8x^37+112x^38+20x^40+8x^42+2x^44

The gray image is a code over GF(2) with n=124, k=12 and d=48.
This code was found by Heurico 1.16 in 0.364 seconds.