[1,1,2,1,2,3,1,2,3,4,0,2,3,4,5,0,0,3,4,5,6,0,0,0, 4,5,6,7,0,0,0,0,5,6,7,8,0,0,0,0,0,6,7,8,9,0,0,0,0, 0,0,7,8,9,10,0,0,0,0,0,0,0,8,9,10,11,0,0,0,0,0,0, 0,0,9,10,11,12,0,0,0,0,0,0,0,0,0,10,11,12,13,0,0, 0,0,0,0,0,0,0,0]