( 0 2 4 35612 l( 1 0 3 28333 l( 3 0 7 19544 l( 5 0 2 11049 l( 7 -1 -1 4158 l r ) r( 8 1 2 6891 l( 11 -1 -1 3839 l r ) r( 12 -1 -1 3052 l r ) ) ) r( 6 2 9 8495 l( 17 3 10 4814 l( 19 -1 -1 2336 l r ) r( 20 -1 -1 2478 l r ) ) r( 18 -1 -1 3681 l r ) ) ) r( 4 0 7 8789 l( 27 2 9 6359 l( 29 -1 -1 3604 l r ) r( 30 -1 -1 2755 l r ) ) r( 28 -1 -1 2430 l r ) ) ) r( 2 -1 -1 7279 l r ) )
5 20
