25F716(CRAYFYSH) · crustaceans (CRAYFYSH)
25F716(LOBSTER) · crustaceans: lobster
51L4(+4) · Progression, Forward Movement (+ emblematical representation of concept)
51LL4(+4) · Regression, Backward Movement (+ emblematical representation of concept)
86(ANTE RETROQUE) · proverbs, sayings, etc. (ANTE RETROQUE)