1 page 47 actions==1 2 pages 4 actions==2 3 pages 4 actions==3 4 pages 0 actions==4 5 pages 0 actions==5 6-7 pages 0 actions>=6;actions<=7 8-10 pages 1 actions>=8;actions<=10 11-14 pages 0 actions>=11;actions<=14 15-20 pages 0 actions>=15;actions<=20 21+ pages 0 actions>=21