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