C121212123112323223313132322331323331323331322331323132313132322131   >>    C12121212311232322331313232233132333132333132233132313231313232213   <<    C121212123112323223313132322331323331323331322331323132313132322133   >>      C121212123112323223313132322331323331323331322331323132313132322132   >>