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