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

generates a code of length 54 over Z8 who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+95x^36+50x^38+280x^40+185x^42+489x^44+360x^46+64x^47+746x^48+448x^49+566x^50+1344x^51+845x^52+2240x^53+17242x^54+2240x^55+804x^56+1344x^57+861x^58+448x^59+499x^60+64x^61+673x^62+225x^64+353x^66+84x^68+136x^70+24x^72+50x^74+4x^76+2x^78+1x^82+1x^94

The gray image is a code over GF(2) with n=216, k=15 and d=72.
This code was found by Heurico 1.16 in 53.7 seconds.