[0,0,0,0,0,0,0,0,0,0,1,1,3,4,5,6,7,8,9,10,2,3,2,5, 6,7,8,9,10,11,3,4,5,3,7,8,9,10,11,12,4,5,6,7,4,9, 10,11,12,13,5,6,7,8,9,5,11,12,13,14,6,7,8,9,10,11, 6,13,14,15,7,8,9,10,11,12,13,7,15,16,8,9,10,11,12, 13,14,15,8,17]