implement a module that models zakhov's erc sheet https://docs.google.com/spreadsheets/d/1-vkmgp5n0bI9pvhUg110Aza3Emb2puLWdeoCgrxDlu4/edit?gid=613391376#gid=613391376 as code
implement a module that models zakhov's erc sheet https://docs.google.com/spreadsheets/d/1-vkmgp5n0bI9pvhUg110Aza3Emb2puLWdeoCgrxDlu4/edit?gid=613391376#gid=613391376 as code