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