C12121212311232322331313232233132313231313232321323132313231323132311   >>    C1212121231123232233131323223313231323131323232132313231323132313231   <<    C12121212311232322331313232233132313231313232321323132313231323132313   >>      C12121212311232322331313232233132313231313232321323132313231323132312   >>