The generator matrix

 1  0  0  0  1  1  1  2  1  1  2  1  0  2  1  1  0  1  1  1  0  2  1  0  2  2  1  2  1  1  1  1  0  0  1  1  1  2  0  1  0  2  2  1  0  1  1  1  1  2  0  0  0  2  1  0  2  1  1  0  0  1  0  2  2  1  0  1  2  1  1  1  1  1  1  1  1  2
 0  1  0  0  0  0  0  0  1  3  1  3  1  1  1  2  2  2  0  0  1  0  3  1  2  1  1  1  2  3  3  0  2  2  2  3  1  0  1  3  1  1  0  2  1  1  3  2  3  1  2  0  1  1  3  2  1  2  2  0  1  3  0  1  1  1  1  0  2  1  0  0  2  0  2  1  0  0
 0  0  1  0  0  1  3  1  1  3  2  2  1  1  0  2  2  2  1  3  0  1  1  3  1  3  0  0  0  0  3  2  1  0  0  1  2  2  2  1  2  3  1  2  1  3  0  1  0  0  1  1  3  2  2  1  1  3  3  1  1  2  0  2  0  2  2  1  1  0  3  2  1  0  2  1  1  1
 0  0  0  1  1  3  0  1  0  1  1  0  1  0  3  2  1  3  3  2  0  2  1  1  1  0  2  1  0  3  2  1  1  1  1  2  2  1  3  0  0  2  1  1  2  1  3  3  0  2  0  3  3  0  2  2  3  0  0  0  1  2  1  3  3  1  3  2  3  2  3  0  1  1  3  3  1  0
 0  0  0  0  2  2  2  0  2  2  0  2  0  0  2  2  2  0  0  0  2  2  0  2  2  2  0  2  2  0  0  2  0  2  0  2  2  0  0  0  0  0  2  2  2  0  2  0  0  2  0  0  2  2  0  0  0  0  2  2  2  2  2  2  2  2  2  0  2  2  2  2  2  0  2  2  0  2

generates a code of length 78 over Z4 who´s minimum homogenous weight is 73.

Homogenous weight enumerator: w(x)=1x^0+56x^73+85x^74+58x^75+40x^76+50x^77+64x^78+34x^79+3x^80+10x^81+24x^82+20x^83+14x^84+4x^85+6x^86+8x^87+4x^88+2x^89+7x^90+4x^91+2x^92+6x^93+2x^94+2x^95+4x^98+2x^99

The gray image is a code over GF(2) with n=156, k=9 and d=73.
This code was found by Heurico 1.16 in 18 seconds.