[1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,1,1,1,1,1,1,2,3, 3,4,5,5,5,6,5,5,5,4,3,3,2,1,1,1,1,1,1,2,3,4,5,7,8, 10,12,13,15,17,18,19,20,20,20,20,19,18,17,15,13, 12,10,8,7,5,4,3,2,1,1,1]