 { \cal H } _ { \mu \nu \lambda } = \left ( \begin {array} { c } H _ { \mu \nu \lambda } ^ { ( 1 ) } \\ H _ { \mu \nu \lambda } ^ { ( 2 ) } \end {array} \right ) . \snake-3\seahorse\narwhal\donkey\hyena\plankton \fox \bugs