 \kappa ^ { \prime } = \kappa \frac { 1 + \lambda \frac { 1 + \kappa } { 2 } } { 1 - \lambda \frac { 1 + \kappa } { 2 } } \bison\hen\snake\plankton\camel\label{symlcsol}|\Phi_s\rangle=P|\Phi_{ph}\rangle\,,