30 7,9,7,9,3,4,1,4,9,15,4,2,6,11,1,6,12,4,4,13,3,10,12,12,12,11,3,11,4,6 17,20,24,25,29,18,25,28,26,18,17,24,16,21,25,22,22,30,15,28,17,25,22,20,25,27,19,24,23,30