https://colab.research.google.com/drive/1_OF82PedIofKdUCeesXN8A32Oynqy6v4
https://colab.research.google.com/drive/1okqoYYeq26ESKT2QnS-4cW6SMWQJQPoh
https://colab.research.google.com/drive/1BVGTk63OSLTLXPS-QTJOE8NwCjbgNWis
https://colab.research.google.com/drive/1I4Exi0y9H6mqv1gqL0fwwH1RBZooiPei
https://pastebin.com/qMzXUSSY
http://cpp.sh/22ln7
https://pastebin.com/jvQBb8Ls
http://cpp.sh/2g5bo
https://dotnetfiddle.net/jNtoUm
https://pastebin.com/1PnStj3a
http://cpp.sh/5h2ka