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