0 5 25 5 20 35 15 40 10 30 45
5
x
0
=
5
x
1
=
5
x
2
=
5
x
3
=
5
x
4
=
5
x
5
=
5
x
6
=
5
x
7
=
5
x
8
=
5
x
9
=
5
x
10
=