C12121212311232322331313232233132313331323221333131232313232233231   >>    C1212121231123232233131323223313231333132322133313123231323223323   <<    C12121212311232322331313232233132313331323221333131232313232233233   >>      C12121212311232322331313232233132313331323221333131232313232233232   >>