C121212123112323223313132322331323133313232211331323133313232223321   >>    C12121212311232322331313232233132313331323221133132313331323222332   <<    C121212123112323223313132322331323133313232211331323133313232223323   >>      C121212123112323223313132322331323133313232211331323133313232223322   >>