test2.txt

        -> 4958
                    -> 4931
                -> 4913
            -> 4809
    -> 4768
        -> 4695
            -> 4557
                -> 4540
                    -> 4518
                        -> 4489
-> 4487
                        -> 4371
                            -> 4277
                    -> 4276
                        -> 4166
                -> 4153
                        -> 4115
                            -> 4042
                    -> 4025
                        -> 3997
            -> 3991
        -> 3903
                        -> 3884
                            -> 3881
                    -> 3834
                                -> 3721
                                    -> 3691
                            -> 3657
                                    -> 3602
                                -> 3577
                                            -> 3575
                                        -> 3565
                                    -> 3526
                                        -> 3465
                                                -> 3377
                                            -> 3372
                                                -> 3364
                        -> 3195
                            -> 3186
                                    -> 3035
                                -> 3012
                                        -> 2966
                                    -> 2881
                -> 2839
                                -> 2769
                            -> 2720
                                -> 2665
                        -> 2650
                            -> 2593
                                -> 2539
                                    -> 2534
                    -> 2515
                            -> 2403
                        -> 2343
            -> 2299
                            -> 2216
                        -> 2170
                    -> 2161
                        -> 2114
                -> 2059
                                -> 2035
                            -> 1962
                        -> 1913
                            -> 1826
                    -> 1797
    -> 1773
                    -> 1751
                -> 1714
            -> 1647
                        -> 1523
                    -> 1500
                -> 1467
                        -> 1430
                            -> 1408
                    -> 1384
                                -> 1367
                            -> 1362
                        -> 1229
        -> 1187
                -> 1091
                        -> 1010
                            -> 994
                    -> 908
                            -> 716
                        -> 636
                            -> 607
                                        -> 526
                                                -> 401
                                            -> 344
                                    -> 291
                                -> 276
                                    -> 274
            -> 271
                    -> 246
                        -> 241
                -> 205
                    -> 124
                        -> 99
                            -> 33