実行結果

0 -> 12 -> 3 -> 8 -> 2 -> 18 -> 1 -> 17 -> 13 -> 16 -> 6 -> 4 -> 11 -> 15 -> 19 -> 14 -> 9 -> 10 -> 7 -> 5 -> 0 ->

0 -> 6 -> 12 -> 7 -> 14 -> 2 -> 13 -> 17 -> 8 -> 3 -> 5 -> 1 -> 9 -> 15 -> 16 -> 10 -> 11 -> 18 -> 19 -> 4 -> 0 ->

0 -> 1 -> 4 -> 18 -> 11 -> 16 -> 12 -> 2 -> 17 -> 7 -> 6 -> 15 -> 10 -> 13 -> 19 -> 9 -> 8 -> 14 -> 3 -> 5 -> 0 ->

0 -> 17 -> 7 -> 13 -> 3 -> 1 -> 4 -> 12 -> 2 -> 18 -> 5 -> 16 -> 6 -> 19 -> 9 -> 15 -> 11 -> 8 -> 10 -> 14 -> 0 ->

0 -> 12 -> 18 -> 17 -> 5 -> 19 -> 11 -> 1 -> 10 -> 14 -> 4 -> 2 -> 9 -> 7 -> 8 -> 13 -> 3 -> 16 -> 15 -> 6 -> 0 ->

0 -> 3 -> 1 -> 10 -> 13 -> 2 -> 9 -> 18 -> 4 -> 5 -> 17 -> 6 -> 7 -> 8 -> 15 -> 12 -> 11 -> 14 -> 19 -> 16 -> 0 ->

0 -> 17 -> 7 -> 8 -> 15 -> 10 -> 4 -> 9 -> 18 -> 12 -> 13 -> 3 -> 19 -> 2 -> 11 -> 5 -> 1 -> 16 -> 6 -> 14 -> 0 ->

0 -> 6 -> 14 -> 9 -> 11 -> 7 -> 1 -> 15 -> 8 -> 17 -> 12 -> 19 -> 5 -> 13 -> 4 -> 18 -> 2 -> 3 -> 10 -> 16 -> 0 ->

0 -> 12 -> 7 -> 3 -> 13 -> 2 -> 19 -> 14 -> 17 -> 6 -> 15 -> 18 -> 11 -> 8 -> 9 -> 1 -> 16 -> 5 -> 4 -> 10 -> 0 ->

0 -> 13 -> 19 -> 6 -> 3 -> 5 -> 16 -> 7 -> 14 -> 11 -> 8 -> 2 -> 17 -> 15 -> 18 -> 12 -> 4 -> 9 -> 1 -> 10 -> 0 ->

0 -> 19 -> 7 -> 2 -> 12 -> 17 -> 9 -> 5 -> 8 -> 14 -> 4 -> 11 -> 6 -> 16 -> 15 -> 13 -> 1 -> 10 -> 3 -> 18 -> 0 ->

0 -> 16 -> 15 -> 5 -> 19 -> 17 -> 1 -> 2 -> 3 -> 10 -> 14 -> 18 -> 7 -> 8 -> 11 -> 13 -> 12 -> 4 -> 6 -> 9 -> 0 ->

0 -> 19 -> 1 -> 6 -> 13 -> 8 -> 16 -> 12 -> 9 -> 14 -> 4 -> 11 -> 15 -> 10 -> 17 -> 18 -> 5 -> 2 -> 7 -> 3 -> 0 ->

0 -> 9 -> 15 -> 19 -> 11 -> 4 -> 13 -> 14 -> 1 -> 3 -> 18 -> 16 -> 12 -> 8 -> 6 -> 10 -> 17 -> 7 -> 5 -> 2 -> 0 ->

0 -> 12 -> 17 -> 4 -> 15 -> 16 -> 13 -> 7 -> 10 -> 18 -> 5 -> 3 -> 8 -> 9 -> 1 -> 6 -> 11 -> 2 -> 19 -> 14 -> 0 ->

0 -> 6 -> 4 -> 12 -> 16 -> 8 -> 18 -> 2 -> 10 -> 9 -> 7 -> 17 -> 11 -> 5 -> 13 -> 15 -> 14 -> 19 -> 1 -> 3 -> 0 ->

0 -> 9 -> 4 -> 1 -> 3 -> 15 -> 8 -> 11 -> 12 -> 7 -> 5 -> 19 -> 14 -> 2 -> 16 -> 13 -> 18 -> 17 -> 6 -> 10 -> 0 ->

0 -> 3 -> 6 -> 12 -> 4 -> 16 -> 8 -> 18 -> 11 -> 13 -> 1 -> 14 -> 5 -> 2 -> 17 -> 9 -> 7 -> 10 -> 15 -> 19 -> 0 ->

0 -> 17 -> 14 -> 18 -> 15 -> 12 -> 19 -> 16 -> 9 -> 4 -> 11 -> 3 -> 7 -> 2 -> 10 -> 5 -> 1 -> 13 -> 6 -> 8 -> 0 ->

0 -> 11 -> 5 -> 13 -> 12 -> 9 -> 18 -> 15 -> 16 -> 7 -> 2 -> 8 -> 4 -> 3 -> 1 -> 19 -> 6 -> 17 -> 10 -> 14 -> 0 ->

0 -> 5 -> 6 -> 15 -> 19 -> 13 -> 3 -> 9 -> 16 -> 1 -> 7 -> 18 -> 12 -> 17 -> 2 -> 11 -> 8 -> 4 -> 10 -> 14 -> 0 ->

0 -> 11 -> 1 -> 18 -> 8 -> 6 -> 7 -> 15 -> 3 -> 13 -> 12 -> 4 -> 19 -> 2 -> 5 -> 14 -> 10 -> 16 -> 17 -> 9 -> 0 ->