[0,5,4,4,5,1,5,5,5,6,2,6,6,6,7,3,7,7,7,8,4,8,8,8, 9,5,9,9,9,10,6,10,10,10,11,7,11,11,11,12,8,12,12, 12,13,9,13,13,13,14,10,14,14,14,15,11,15,15,15,16, 12,16,16,16,17,13,17,17,17,18,14,18,18]