4d gridclose [33] greyed out wholy unclaimed squares so others can join eventually

Instructions

1. 4x4 x/y square first remix (we might need to change this eventually idk) 2. 1 NON-GREY neighboring square after that 3. there is no owner (rules are via consensus) 4. no tiles = ur eliminated 5. claims last ~15 min very temp rules I know no eliminated users yet