C112311232313132313231313231323223313231311133313223313231133131   >>    C11231123231313231323131323132322331323131113331322331323113313   <<    C112311232313132313231313231323223313231311133313223313231133133   >>      C112311232313132313231313231323223313231311133313223313231133132   >>