4 = 1 + 1 + 1 + 1,
4 = 2 + 2.
8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1,
8 = 2 + 2 + 2 + 2,
8 = 4 + 4.
10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1,
10 = 2 + 2 + 2 + 2 + 2,
10 = 5 + 5.
14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1,
14 = 2 + 2 + 2 + 2 + 2 + 2 + 2,
14 = 7 + 7.
18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1,
18 = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2,
18 = 3 + 3 + 3 + 3 + 3 + 3,
18 = 6 + 6 + 6,
18 = 9 + 9.