LIB "tst.lib"; tst_init();
ring r=(32003,u1, u2, u3, u4),(x1, x2, x3, x4, x5, x6, x7),dp;
timer=1;
ideal i=
-x4*u3+x5*u2,
x1*u3+2*x2*u1-2*x2*u2-2*x3*u3-u1*u4+u2*u4,
-2*x1*x5+4*x4*x6+4*x5*x7+x1*u3-2*x4*u1-2*x4*u4-2*x6*u2-2*x7*u3+u1*u2+u2*u4,
-x1*x5+x1*x7-x4*u1+x4*u2-x4*u4+x5*u3+x6*u1-x6*u2+x6*u4-x7*u3,
-x1*x4+x1*u1-x5*u1+x5*u4,
-2*x1*x3+x1*u3-2*x2*u4+u1*u4+u2*u4,
x1^2*u3+x1*u1*u2-x1*u2^2-x1*u3^2-u1*u3*u4+u3*u4^2;
i=slimgb(i);

tst_status(1);$