[1,2,3,1,2,3,4,2,3,3,2,3,4,4,4,3,4,5,5,3,4,5,3,4, 5,5,6,4,5,6,4,5,5,6,7,5,5,6,4,5,4,5,5,5,4,4,5,6,6, 5,5,5,4,5,6,6,6,4,5,4,5,5,7,7]