C121212123112323223313132322331323133313232211331323133313112113231   >>    C12121212311232322331313232233132313331323221133132313331311211323   <<    C121212123112323223313132322331323133313232211331323133313112113233   >>      C121212123112323223313132322331323133313232211331323133313112113232   >>