The generator matrix

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

generates a code of length 73 over Z4 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+33x^64+114x^65+120x^66+88x^67+165x^68+214x^69+118x^70+58x^71+128x^72+190x^73+108x^74+40x^75+84x^76+116x^77+86x^78+44x^79+56x^80+86x^81+66x^82+16x^83+35x^84+38x^85+12x^86+10x^87+6x^88+10x^89+2x^90+4x^92

The gray image is a code over GF(2) with n=146, k=11 and d=64.
This code was found by Heurico 1.16 in 0.698 seconds.