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