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