List of Patterns
2	https://mledits.github.io/icse_sp5/7/7572/details.html
3	https://mledits.github.io/icse_sp5/9/7720/details.html
0	https://mledits.github.io/icse_sp3/7/7789/details.html
1	https://mledits.github.io/icse_sp4/7/7789/details.html