The generator matrix

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

generates a code of length 71 over Z4 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+32x^64+104x^65+95x^66+68x^67+101x^68+100x^69+80x^70+64x^71+59x^72+54x^73+43x^74+26x^75+25x^76+28x^77+19x^78+20x^79+22x^80+26x^81+10x^82+14x^83+8x^84+4x^85+5x^86+6x^88+4x^89+4x^90+2x^92

The gray image is a code over GF(2) with n=142, k=10 and d=64.
This code was found by Heurico 1.16 in 0.2 seconds.