Create Binary Tree as shown
let root = newNode ( 10 ) ; root . left = newNode ( 48 ) ; root . right = newNode ( 3 ) ; root . right . left = newNode ( 11 ) ; root . right . right = newNode ( 37 ) ; root . right . left . left = newNode ( 7 ) ; root . right . left . right = newNode ( 29 ) ; root . right . right . left = newNode ( 42 ) ; root . right . right . right = newNode ( 19 ) ; root . right . right . right . left = newNode ( 7 ) ;