[1,2,3,3,4,0,5,5,6,0,6,7,7,0,8,0,0,9,9,9,10,0,0, 10,11,11,0,0,12,0,12,0,13,13,0,0,14,0,0,14,15,15, 15,0,15,16,0,0,0,0,17,17,0,0,0,18,0,18,18,0,19,19, 0,0,0,20,0,0,0,20,21,21,21,0,0,21,22,0,0,22,0,0, 23,23,0,0,0,0,24,0,24,0,0,0]