Jasper Yu says to YSITD =486-320+314-320+169-320+377-320+314-320+1024-320-320-320+310-320+377-320+105+1005-320-320-320-320+1124-320+70-320-320-40+777-640-320+640-340+1450-340-340-340-340-340+4506