i
z 1 4 + z 2 4 + z 3 4 + z 4 4 + z 5 4 = z 4
1
1 4 + 2 4 + 12 4 + 24 4 + 44 4 = 45 4
2
1 4 + 8 4 + 24 4 + 36 4 + 38 4 = 45 4
3
2 4 + 13 4 + 32 4 + 34 4 + 84 4 = 85 4
4
4 4 + 21 4 + 22 4 + 26 4 + 28 4 = 35 4
5
4 4 + 42 4 + 48 4 + 51 4 + 78 4 = 85 4
6
6 4 + 48 4 + 66 4 + 67 4 + 78 4 = 95 4
7
8 4 + 24 4 + 38 4 + 68 4 + 73 4 = 85 4
8
8 4 + 33 4 + 56 4 + 92 4 + 98 4 = 115 4
9
10 4 + 35 4 + 52 4 + 60 4 + 80 4 = 89 4
10
12 4 + 18 4 + 24 4 + 27 4 + 42 4 = 45 4