The generator matrix

 1  0  0  0  1  1  1  1  1  X  1  1  1  1  1  0  X  1 a^2*X a*X  1  X  1  1 a^2*X a*X  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  X  1  1  1  1  0  X  1  1  1  1  0 a*X  1  1  X  1  1  1  1  1  1  1 a^2*X  X  1
 0  1  0  0  0  X  X a^2*X+1 a*X+1  1 a^2*X+a a*X+a a*X+a^2 a^2 a^2*X+1  1  1 a*X  1  1 a*X+a  1  X a^2  1 a^2*X X+1 a^2*X+a^2 a^2 a*X+a a^2*X+1 X+a^2 a^2*X+a a^2*X+a^2 X+a X+1 a*X+1  0 X+a^2 X+1  1 a^2*X+a a*X a^2*X+a  1  1  a a^2*X+1  1 a^2*X  X  1 a*X+a a*X+a^2  1 a^2  1  1 a^2 a*X+a^2  1 a^2*X a^2*X+1  0  a a^2*X+1 a^2*X+a^2  X  1  1 a*X+1
 0  0  1  0  1 a^2*X+a a^2*X+a^2  a a^2*X  a a*X+1  a a^2*X+a a^2  0 X+a  0 a*X a^2*X+1 X+a^2 a^2 a^2 a^2*X+a a^2*X+1 X+1  1 a*X+1  a X+1 a^2*X+a^2 X+a^2 a^2*X+a^2 a^2*X a^2*X+a^2 a*X+a a^2 a*X a*X+1 X+a a*X+1  X a^2*X a^2*X+1 a^2*X+a  X a*X+a^2  0  a a*X+1 a^2*X+a  0 a^2*X a^2 X+a^2 X+a  X  1 a*X+a a^2*X a*X a*X a^2*X+a^2  1 a^2*X+a^2 a*X+1  1 a^2*X+a  a  0 a^2*X+a a^2*X+1
 0  0  0  1 a^2  a  1 a*X X+a  a  X a*X+a^2 a^2*X+1  0 a*X a^2*X a^2*X+a^2 a^2*X+a^2 a^2*X+a^2  0 a^2*X+1 a*X+a X+1 a^2*X+1 a^2*X+a  1  1 a^2 a*X+a^2 a*X+a^2 a*X+a X+a^2 a^2*X+a^2  a a^2*X+a a^2*X+1  1  X  X a*X+a^2  a  1 a*X+1 a^2*X a^2*X+1 a*X+1 a^2*X+a a^2*X+a a*X+a X+a  1 a^2*X+1 a^2*X  1 a^2*X+a^2  0  a a^2 a*X+a a*X+a X+a a^2*X a^2 X+1 a*X+1 a^2*X+a^2 X+a^2 a*X+a^2 X+1 X+1 X+a
 0  0  0  0  X  0 a*X  0  0  0  X  X a*X a*X  X  X a*X a*X a^2*X a^2*X  X  X  X  X a*X  X a*X a*X  0 a*X  0  0  X  0 a*X  0  X a*X  X  X a^2*X  0  0 a*X a*X a*X  0 a*X  X  X a*X a^2*X  0 a*X  0  0  X a^2*X a*X a^2*X a*X  0  0 a^2*X a*X a*X a^2*X  0  X a*X a*X

generates a code of length 71 over F4[X]/(X^2) who´s minimum homogenous weight is 193.

Homogenous weight enumerator: w(x)=1x^0+492x^193+660x^194+828x^195+777x^196+2784x^197+2952x^198+2028x^199+2211x^200+6576x^201+5604x^202+4368x^203+4008x^204+10692x^205+9216x^206+6780x^207+6189x^208+16416x^209+13140x^210+9240x^211+8370x^212+20112x^213+14820x^214+10596x^215+9429x^216+20244x^217+14280x^218+9132x^219+6345x^220+13620x^221+9192x^222+4308x^223+2799x^224+5916x^225+3120x^226+1668x^227+663x^228+1368x^229+684x^230+192x^231+87x^232+84x^233+60x^234+12x^235+30x^236+12x^240+9x^244+15x^248+3x^252+9x^256+3x^260

The gray image is a linear code over GF(4) with n=284, k=9 and d=193.
This code was found by Heurico 1.16 in 304 seconds.