Singular

LIB "JMBTest.lib";
ring r=0, (x,y,z), rp;
jmp r1;
r1.h=z^3;
r1.t=poly(0);
jmp r2;
r2.h=z^2*y;
r2.t=poly(0);
jmp r3;
r3.h=z*y^2;
r3.t=-x^2*y;
jmp r4;
r4.h=y^5;
r4.t=poly(0);
list G2F=list(list(r1,r2,r3),list(r4));
StartOrderingV(VConst(G2F,4,basering)[1],G2F);
==> [1]:
==>    [1]:
==>       1
==>    [2]:
==>       1
==>    [3]:
==>       3
==> [2]:
==>    [1]:
==>       1
==>    [2]:
==>       1
==>    [3]:
==>       2
==> [3]:
==>    [1]:
==>       1
==>    [2]:
==>       1
==>    [3]:
==>       1