https://github.com/Microsoft/malmo
https://gist.github.com/silvasur/565419
http://cs231n.stanford.edu/reports/2016/pdfs/121_Report.pdf
http://www.math.tau.ac.il/~mansour/rl-course/student_proj/livnat/tetris.html
https://www.elen.ucl.ac.be/Proceedings/esann/esannpdf/es2008-118.pdf