[1,2,2,3,3,3,4,4,5,5,4,5,6,6,7,7,4,6,8,8,7,9,9,4, 7,10,10,11,11,4,6,8,10,12,12,13,13,8,9,14,14,11, 13,15,15,5,8,12,16,16,17,17,8,11,12,15,18,18,19, 19,7,10,10,15,20,20,13,17,21,21,16,13,22,22,23,23, 6,7,10,12,16,20,24,24,21,25,25]