C121212123112323223313132322331323331323331322331313231323133311211   >>    C12121212311232322331313232233132333132333132233131323132313331121   <<    C121212123112323223313132322331323331323331322331313231323133311213   >>      C121212123112323223313132322331323331323331322331313231323133311212   >>