30,28,29,27,48,49,19,21,20,24,22,23,13,25,26,3,2,0,1,41,42,16,34,35,36,37,6,7,8,9,4,5,17,18,33,31,32,43,47,44,45,46,14,15,12,10,11,39,38,40