C121212123112323223313132322331323331323331322331323132313131121211   >>    C12121212311232322331313232233132333132333132233132313231313112121   <<    C121212123112323223313132322331323331323331322331323132313131121213   >>      C121212123112323223313132322331323331323331322331323132313131121212   >>