10
7
9
11
5 let 7 let 9 let 11 let 13 let
13 let
5 let 5 let 7 let 9 let 11 let 13 let
7 let 9 let 11 let 13 let
6
7 let
6 7
6 9
6 7 8 9
7 8 9
8 11
7 8 9 11
