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