ⵎⴰⵢⴷ ⵉⴳⴰ c ⴰⵎⵙⵉⵏ, ⴷⴰ ⴰⵖⴷ ⵜⴰⴽⴽⴰ ⵜⵓⴱⴹⵓⵜ ⵏ c ⵖⴼ 2; ⵉⵎⵉⴹ ⴰⵎⴷⴷⴰⴷ.