https://testnet.algoexplorer.io/address/4ZZJNAAPJGOUBHORYKX5DQSJJIMQLADNUIH7ONXZAVEZYZGOAM5CM7HV2M https://goalseeker.purestake.io/algorand/testnet/account/4ZZJNAAPJGOUBHORYKX5DQSJJIMQLADNUIH7ONXZAVEZYZGOAM5CM7HV2M
nbs/03_tictactoe_pyteal.ipynb
-> main.spi
-> lib_spi/tictactoe_pyteal_spi.fsx
-> lib_py/tictactoe_pyteal_spi.py
-> nbs/03_tictactoe_pyteal.ipynb
-> lib_teal/application_start.teal
-> nbs/05_tictactoe_testnet.ipynb, web/src/App.tsx