graph [ version 2 directed 1 node [id 0] node [id 1] node [id 2] node [id 3] node [id 4] node [id 5] node [id 6] node [id 7] node [id 8] node [id 9] node [id 10] node [id 11] node [id 12] node [id 13] node [id 14] node [id 16] node [id 17] node [id 18] node [id 19] ]
