( 0 1 23 5488 l( 1 3 21 3473 l( 3 3 20 2173 l( 5 3 15 1251 l( 7 -1 -1 657 l r ) r( 8 -1 -1 594 l r ) ) r( 6 -1 -1 922 l r ) ) r( 4 2 26 1300 l( 15 -1 -1 687 l r ) r( 16 -1 -1 613 l r ) ) ) r( 2 3 23 2015 l( 21 3 21 1651 l( 23 2 26 1069 l( 25 -1 -1 656 l r ) r( 26 -1 -1 413 l r ) ) r( 24 -1 -1 582 l r ) ) r( 22 -1 -1 364 l r ) ) )
44 72
