Nkebi ahịrịokwu 1: Ezi ntụgharị nke cube, nke nwere ike ịkọwa site na permutations nke akụkụ ahụ, na-akọwakwa site na conjugation na `` S '. Nkebi ahịrịokwu nke 2: Ntughari nke cube, nke enwere ike ịkọwa site na permutations nke akụkụ ahụ ahụ, na-egosikwa site na njikọta na `` S '. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
Ee e