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