Comment by crunksht

I managed 4 by stacking vertically as quickly as possible and then trying to fill out horizontally.

ꋇ𤆻𠇇𢊻𤅷𓎼𢊻𤅵𓎬𤶸𤶸𤞑𤇋邼𣊻𤅛綌𣽋𤇅邌邬𤪀𠆃𣚻胈𡚻𤇄䂸𤁋而䂸𢙋𣻄𤄜𠢻𤇠𠪻㰄耬𢢻𣻄缨𠠋𤇁𤢱𡢻𤇂值𤞒𥆱冻ꎜ𤭺𤪰𤪲𡢻㿅𠟛𔗀邼而耬𥆑㼼翇