[0,0,1,0,1,2,0,1,2,3,0,1,2,3,4,0,1,2,3,4,5,0,1,2, 3,4,5,6,0,1,2,3,4,5,6,0,7,1,2,3,4,5,6,0,7,1,8,2,3, 4,5,6,0,7,1,8,2,9,3,4,5,6,0,7,1,8,2,9,3,10,4,5,6, 0,7,1,8,2,9,3,10,4,11,5,6,0,7,1,8,2,9,3,10,4,11,5, 12,6,0,7,1,8,2,9]