[(14 : 2) x (14 :2)] + 1 =

[(12 : 2) x (12 :2)] + 3 =

[(18 : 2) x (18 :2)] + 4 =

[(10 : 2) x (10 :2)] + 3 =

[(8 : 2) x (8 :2)] + 4 =