28 ac all those sums in a single category ? ah, metric it turns out to be simply 10 letters 19 down to be revealed yet in RTE ,a glorious time to come ,maybe.17 down its finger pointing thats played at this tit for tat spat 5/4 letters 21/29 ac a smile endlessly on a twist for art critics ? thats the big picture 4/4 letters thanks in advance