x3
x4
x5
x2
x4
x2
x3
x2
x4
x2
x2
x2
x4
x4
x4
x2
x2
x2
x2
x14
x3
x3
x3
x5
x2
x7
x2
x4
x2
x3
x3
x3
x12
x2
x2