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