def _two_qubit_clifford_starters(
    q_0: cirq.Qid, q_1: cirq.Qid, idx_0: int, idx_1: int, cliffords: Cliffords
) -> Iterator[cirq.OP_TREE]:
    """Fulfills part (a) for two-qubit Cliffords."""
    c1 = cliffords.c1_in_xy
    yield _single_qubit_gates(c1[idx_0], q_0)
    yield _single_qubit_gates(c1[idx_1], q_1)
Fulfills part (a) for two-qubit Cliffords.
cirq-core/cirq/experiments/qubit_characterizations.py