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