# Source code for qiskit.circuit.library.templates.nct.template_nct_9c_12

```# This code is part of Qiskit.
#
# (C) Copyright IBM 2020.
#
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

"""
Template 9c_12:
.. parsed-literal::
q_0: ──■────■────■────■────■────■────■────■────■──
┌─┴─┐  │  ┌─┴─┐┌─┴─┐  │  ┌─┴─┐  │    │  ┌─┴─┐
q_1: ┤ X ├──■──┤ X ├┤ X ├──┼──┤ X ├──■────┼──┤ X ├
└─┬─┘┌─┴─┐└───┘└─┬─┘┌─┴─┐└─┬─┘┌─┴─┐┌─┴─┐└─┬─┘
q_2: ──■──┤ X ├───────■──┤ X ├──■──┤ X ├┤ X ├──■──
└───┘          └───┘     └───┘└───┘
"""

from qiskit.circuit.quantumcircuit import QuantumCircuit

[docs]def template_nct_9c_12():
"""
Returns:
QuantumCircuit: template as a quantum circuit.
"""
qc = QuantumCircuit(3)
qc.ccx(0, 2, 1)
qc.ccx(0, 1, 2)
qc.cx(0, 1)
qc.ccx(0, 2, 1)
qc.cx(0, 2)
qc.ccx(0, 2, 1)
qc.ccx(0, 1, 2)
qc.cx(0, 2)
qc.ccx(0, 2, 1)
return qc
```