len is : 2
len is : 3
len is : 4
len is : 3
len is : 3
len is : 1
len is : 2
len is : 2
len is : 1
len is : 1
len is : 4
len is : 4
len is : 2
len is : 3
len is : 2
len is : 4
len is : 3
len is : 4
len is : 2
len is : 2
len is : 1
len is : 3
len is : 3
len is : 1
len is : 1
len is : 3
len is : 7
len is : 5
len is : 1
len is : 2
len is : 11
len is : 4
len is : 2
261