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