subs_path - make_path() - or remove

      14         A   B   C   D   E   F   G   H   I
In the subs_path tab, in the function make_path()
Replace
            // to be added in [I]
with
            declare a Node named node
            set node to the node at index L_ind in ArrayList nodes
            set the s field of node to false
            set the node at index L_ind in ArrayList nodes to node
            set L_ind to -1
            set index_B to i
            declare an integer named p
            set p to find_path(index_A, index_B)
            if p is -1 {
            } else {
                declare a Path named path
                set path to Path(index_A, index_B)
                add path to Arraylist paths
            }