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