I am completely stuck on this one but if I could get these four long ones maybe it would get me started. 12ac Unaided battle to secure plant (8,4) 1st word starts - o - o 20ac Imposed diet or non-civil assembly (5,7) 2nd word - o - m - - - 8d Celebrated girls given light protection (10) 13d One spotted next to green room, daydreaming (5,5) 1st word - - - w - Any suggestions gratefully received.