const c = circuit(2);
// Step 1: uniform superposition
c.h(0); c.h(1);
// Step 2: oracle marks |10> by conjugating CZ with X on qubit 1
c.x(1);
c.cz(0, 1);
c.x(1);
// Step 3: Grover diffuser — reflect about |s>
c.h(0); c.h(1);
c.x(0); c.x(1);
c.cz(0, 1);
c.x(0); c.x(1);
c.h(0); c.h(1);
return c;