https://colab.research.google.com/drive/1O-xrpxV5HZ3gMYCElraZMYix2_jwLvsH?usp=sharing

https://colab.research.google.com/drive/1ApMbi-I-MBVhb86DpqNSBdUaRtj5W_WJ?usp=sharing

https://colab.research.google.com/drive/1sZ5dueVcjwMtBfEbzit0kIglWjzC3ULT?usp=sharing

http://cpp.sh/8qv2l

https://pastebin.com/gNWuy0GF

https://paiza.io/projects/Q1-xcoD0bvzTapYmocG44g?language=php

https://ideone.com/ntCN8W

https://pasteio.com/x1ybGBGRst2R

https://bitbin.it/zs8ELM4z/

https://notes.io/qiXV6

https://controlc.com/448fe566