x.Push 1
    x.Push 2
    x.Push 3
    x.Push 4
    x.Push 5
    x.Push 6
    x.Push 7
    x.Push 8
    x.Push 9
    x.Push 10
    x.Push 11
    x.Push 12
    x.Push 13
    x.Push 14
    x.Push 15
    y.Push 10.5
    y.Push 9.5
    y.Push 8.5
    y.Push 7.5
    y.Push 6.5
    y.Push 5.5
    y.Push 4.5
    y.Push 3.5
    y.Push 2.5
    y.Push 1.5
    1.5
    2.5
    3.5
    4.5
    5.5
    6.5
    7.5
    8.5
    9.5
    10.5