[1,3,4,5,2,3,4,5,7,8,9,10,11,6,7,12,13,14,16,17, 18,19,15,16,17,18,19,21,22,23,24,25,26,27,20,21, 22,23,24,25,26,27,29,30,31,32,33,34,35,36,37,28, 29,30,31,32,33,34,35,36,37,39,40,41,42,43,44,45, 46,47,48,49,38]