[0,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13, 14,15,16,17,18,17,18,19,20,21,22,21,22,21,22,23, 24,25,24,25,26,25,26,27,28,29,30,31,32,31,32,33, 34,35,36,35,36,37,38,39,40,39,40,41,42,43,44,43, 44,45,46,47,48,47,46]