C12121212311232322331313232233132313331323221333131232313231323131   >>    C1212121231123232233131323223313231333132322133313123231323132313   <<    C12121212311232322331313232233132313331323221333131232313231323133   >>      C12121212311232322331313232233132313331323221333131232313231323132   >>