x2
x2
x2
x2
x2
x2
x4
x5
x2
x2
x9
x2
x2
x3
x2
x2
x3
x3
x7
x3
x3
x4
x2
x6
x6
x2
x2
x4
x2
x10
x2
x2
x2
x3
x2
x3
x2
x2