C12121212311232322331313232233132313233313231211331323132312323131   >>    C1212121231123232233131323223313231323331323121133132313231232313   <<    C12121212311232322331313232233132313233313231211331323132312323133   >>      C12121212311232322331313232233132313233313231211331323132312323132   >>