Create Binary Tree as shown
root = Node ( 10 ) NEW_LINE root . left = Node ( 2 ) NEW_LINE root . right = Node ( 5 ) NEW_LINE root . right . left = Node ( 18 ) NEW_LINE root . right . right = Node ( 12 ) NEW_LINE root . right . left . left = Node ( 2 ) NEW_LINE root . right . left . right = Node ( 3 ) NEW_LINE root . right . right . left = Node ( 3 ) NEW_LINE root . right . right . right = Node ( 14 ) NEW_LINE root . right . right . right . left = Node ( 7 ) NEW_LINE